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Finding the Fourth Proportional to 70,059.69, 96,681.47 and 38,228.04

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Solution

The fourth proportional to 70,059.69, 96,681.47 and 38,228.04 is: 52,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.69 : 96,681.47 = 38,228.04 : x
  2. Step 2: Convert to fraction form
    70,059.69/96,681.47 = 38,228.04/x
  3. Step 3: Cross multiply
    70,059.69x = 96,681.47 × 38,228.04
  4. Step 4: Simplify right side
    70,059.69x = 3,695,942,911.28
  5. Step 5: Solve for x
    x = 3,695,942,911.28/70,059.69
  6. Step 6: Final answer
    x = 52,754.20

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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.