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Finding the Fourth Proportional to 69,262.28, 103,310.08 and 58,038.92

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Solution

The fourth proportional to 69,262.28, 103,310.08 and 58,038.92 is: 86,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.28 : 103,310.08 = 58,038.92 : x
  2. Step 2: Convert to fraction form
    69,262.28/103,310.08 = 58,038.92/x
  3. Step 3: Cross multiply
    69,262.28x = 103,310.08 × 58,038.92
  4. Step 4: Simplify right side
    69,262.28x = 5,996,005,468.31
  5. Step 5: Solve for x
    x = 5,996,005,468.31/69,262.28
  6. Step 6: Final answer
    x = 86,569.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.