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Finding the Fourth Proportional to 70,007.91, 96,618.20 and 43,149.72

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Solution

The fourth proportional to 70,007.91, 96,618.20 and 43,149.72 is: 59,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.91 : 96,618.20 = 43,149.72 : x
  2. Step 2: Convert to fraction form
    70,007.91/96,618.20 = 43,149.72/x
  3. Step 3: Cross multiply
    70,007.91x = 96,618.20 × 43,149.72
  4. Step 4: Simplify right side
    70,007.91x = 4,169,048,666.19
  5. Step 5: Solve for x
    x = 4,169,048,666.19/70,007.91
  6. Step 6: Final answer
    x = 59,551.11

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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.