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Finding the Fourth Proportional to 8,175.77, 12,159.15 and 8,088.29

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Solution

The fourth proportional to 8,175.77, 12,159.15 and 8,088.29 is: 12,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.77 : 12,159.15 = 8,088.29 : x
  2. Step 2: Convert to fraction form
    8,175.77/12,159.15 = 8,088.29/x
  3. Step 3: Cross multiply
    8,175.77x = 12,159.15 × 8,088.29
  4. Step 4: Simplify right side
    8,175.77x = 98,346,731.35
  5. Step 5: Solve for x
    x = 98,346,731.35/8,175.77
  6. Step 6: Final answer
    x = 12,029.05

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.