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Finding the Fourth Proportional to 65,697.71, 90,553.95 and 46,552.95

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Solution

The fourth proportional to 65,697.71, 90,553.95 and 46,552.95 is: 64,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,697.71 : 90,553.95 = 46,552.95 : x
  2. Step 2: Convert to fraction form
    65,697.71/90,553.95 = 46,552.95/x
  3. Step 3: Cross multiply
    65,697.71x = 90,553.95 × 46,552.95
  4. Step 4: Simplify right side
    65,697.71x = 4,215,553,506.65
  5. Step 5: Solve for x
    x = 4,215,553,506.65/65,697.71
  6. Step 6: Final answer
    x = 64,165.92

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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.