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Finding the Fourth Proportional to 12,113.52, 16,712.52 and 7,573.14

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Solution

The fourth proportional to 12,113.52, 16,712.52 and 7,573.14 is: 10,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.52 : 16,712.52 = 7,573.14 : x
  2. Step 2: Convert to fraction form
    12,113.52/16,712.52 = 7,573.14/x
  3. Step 3: Cross multiply
    12,113.52x = 16,712.52 × 7,573.14
  4. Step 4: Simplify right side
    12,113.52x = 126,566,253.71
  5. Step 5: Solve for x
    x = 126,566,253.71/12,113.52
  6. Step 6: Final answer
    x = 10,448.35

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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.