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Finding the Fourth Proportional to 71,688.01, 107,548.08 and 24,300.31

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Solution

The fourth proportional to 71,688.01, 107,548.08 and 24,300.31 is: 36,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,688.01 : 107,548.08 = 24,300.31 : x
  2. Step 2: Convert to fraction form
    71,688.01/107,548.08 = 24,300.31/x
  3. Step 3: Cross multiply
    71,688.01x = 107,548.08 × 24,300.31
  4. Step 4: Simplify right side
    71,688.01x = 2,613,451,683.90
  5. Step 5: Solve for x
    x = 2,613,451,683.90/71,688.01
  6. Step 6: Final answer
    x = 36,455.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.