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Finding the Fourth Proportional to 64,013.78, 88,264.94 and 52,641.38

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Solution

The fourth proportional to 64,013.78, 88,264.94 and 52,641.38 is: 72,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,013.78 : 88,264.94 = 52,641.38 : x
  2. Step 2: Convert to fraction form
    64,013.78/88,264.94 = 52,641.38/x
  3. Step 3: Cross multiply
    64,013.78x = 88,264.94 × 52,641.38
  4. Step 4: Simplify right side
    64,013.78x = 4,646,388,247.22
  5. Step 5: Solve for x
    x = 4,646,388,247.22/64,013.78
  6. Step 6: Final answer
    x = 72,584.19

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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.