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Finding the Fourth Proportional to 65,127.08, 89,877.06 and 36,837.08

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Solution

The fourth proportional to 65,127.08, 89,877.06 and 36,837.08 is: 50,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,127.08 : 89,877.06 = 36,837.08 : x
  2. Step 2: Convert to fraction form
    65,127.08/89,877.06 = 36,837.08/x
  3. Step 3: Cross multiply
    65,127.08x = 89,877.06 × 36,837.08
  4. Step 4: Simplify right side
    65,127.08x = 3,310,808,449.38
  5. Step 5: Solve for x
    x = 3,310,808,449.38/65,127.08
  6. Step 6: Final answer
    x = 50,836.13

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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.