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Finding the Fourth Proportional to 69,580.70, 96,071.29 and 42,759.17

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Solution

The fourth proportional to 69,580.70, 96,071.29 and 42,759.17 is: 59,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,580.70 : 96,071.29 = 42,759.17 : x
  2. Step 2: Convert to fraction form
    69,580.70/96,071.29 = 42,759.17/x
  3. Step 3: Cross multiply
    69,580.70x = 96,071.29 × 42,759.17
  4. Step 4: Simplify right side
    69,580.70x = 4,107,928,033.97
  5. Step 5: Solve for x
    x = 4,107,928,033.97/69,580.70
  6. Step 6: Final answer
    x = 59,038.33

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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.