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Finding the Fourth Proportional to 69,159.93, 95,438.13 and 38,532.30

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Solution

The fourth proportional to 69,159.93, 95,438.13 and 38,532.30 is: 53,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,159.93 : 95,438.13 = 38,532.30 : x
  2. Step 2: Convert to fraction form
    69,159.93/95,438.13 = 38,532.30/x
  3. Step 3: Cross multiply
    69,159.93x = 95,438.13 × 38,532.30
  4. Step 4: Simplify right side
    69,159.93x = 3,677,450,656.60
  5. Step 5: Solve for x
    x = 3,677,450,656.60/69,159.93
  6. Step 6: Final answer
    x = 53,173.14

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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.