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Finding the Fourth Proportional to 63,088.68, 87,072.39 and 37,938.18

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Solution

The fourth proportional to 63,088.68, 87,072.39 and 37,938.18 is: 52,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,088.68 : 87,072.39 = 37,938.18 : x
  2. Step 2: Convert to fraction form
    63,088.68/87,072.39 = 37,938.18/x
  3. Step 3: Cross multiply
    63,088.68x = 87,072.39 × 37,938.18
  4. Step 4: Simplify right side
    63,088.68x = 3,303,368,004.85
  5. Step 5: Solve for x
    x = 3,303,368,004.85/63,088.68
  6. Step 6: Final answer
    x = 52,360.71

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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.