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Finding the Fourth Proportional to 8,765.04, 13,124.56 and 7,001.92

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Solution

The fourth proportional to 8,765.04, 13,124.56 and 7,001.92 is: 10,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.04 : 13,124.56 = 7,001.92 : x
  2. Step 2: Convert to fraction form
    8,765.04/13,124.56 = 7,001.92/x
  3. Step 3: Cross multiply
    8,765.04x = 13,124.56 × 7,001.92
  4. Step 4: Simplify right side
    8,765.04x = 91,897,119.16
  5. Step 5: Solve for x
    x = 91,897,119.16/8,765.04
  6. Step 6: Final answer
    x = 10,484.51

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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.