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Finding the Fourth Proportional to 8,256.59, 12,384.89 and 3,572.77

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Solution

The fourth proportional to 8,256.59, 12,384.89 and 3,572.77 is: 5,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.59 : 12,384.89 = 3,572.77 : x
  2. Step 2: Convert to fraction form
    8,256.59/12,384.89 = 3,572.77/x
  3. Step 3: Cross multiply
    8,256.59x = 12,384.89 × 3,572.77
  4. Step 4: Simplify right side
    8,256.59x = 44,248,363.45
  5. Step 5: Solve for x
    x = 44,248,363.45/8,256.59
  6. Step 6: Final answer
    x = 5,359.16

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.