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Finding the Fourth Proportional to 64,294.29, 88,711.77 and 38,804.79

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Solution

The fourth proportional to 64,294.29, 88,711.77 and 38,804.79 is: 53,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,294.29 : 88,711.77 = 38,804.79 : x
  2. Step 2: Convert to fraction form
    64,294.29/88,711.77 = 38,804.79/x
  3. Step 3: Cross multiply
    64,294.29x = 88,711.77 × 38,804.79
  4. Step 4: Simplify right side
    64,294.29x = 3,442,441,605.38
  5. Step 5: Solve for x
    x = 3,442,441,605.38/64,294.29
  6. Step 6: Final answer
    x = 53,541.95

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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.