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Finding the Fourth Proportional to 8,875.63, 12,248.23 and 4,896.65

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Solution

The fourth proportional to 8,875.63, 12,248.23 and 4,896.65 is: 6,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.63 : 12,248.23 = 4,896.65 : x
  2. Step 2: Convert to fraction form
    8,875.63/12,248.23 = 4,896.65/x
  3. Step 3: Cross multiply
    8,875.63x = 12,248.23 × 4,896.65
  4. Step 4: Simplify right side
    8,875.63x = 59,975,295.43
  5. Step 5: Solve for x
    x = 59,975,295.43/8,875.63
  6. Step 6: Final answer
    x = 6,757.30

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.