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Finding the Fourth Proportional to 8,472.04, 12,707.14 and 2,924.75

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Solution

The fourth proportional to 8,472.04, 12,707.14 and 2,924.75 is: 4,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.04 : 12,707.14 = 2,924.75 : x
  2. Step 2: Convert to fraction form
    8,472.04/12,707.14 = 2,924.75/x
  3. Step 3: Cross multiply
    8,472.04x = 12,707.14 × 2,924.75
  4. Step 4: Simplify right side
    8,472.04x = 37,165,232.17
  5. Step 5: Solve for x
    x = 37,165,232.17/8,472.04
  6. Step 6: Final answer
    x = 4,386.81

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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.