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Finding the Fourth Proportional to 10,008.01, 15,008.75 and 5,567.79

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Solution

The fourth proportional to 10,008.01, 15,008.75 and 5,567.79 is: 8,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.01 : 15,008.75 = 5,567.79 : x
  2. Step 2: Convert to fraction form
    10,008.01/15,008.75 = 5,567.79/x
  3. Step 3: Cross multiply
    10,008.01x = 15,008.75 × 5,567.79
  4. Step 4: Simplify right side
    10,008.01x = 83,565,568.16
  5. Step 5: Solve for x
    x = 83,565,568.16/10,008.01
  6. Step 6: Final answer
    x = 8,349.87

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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.