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Finding the Fourth Proportional to 23,491.52, 35,237.28 and 12,547.52

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Solution

The fourth proportional to 23,491.52, 35,237.28 and 12,547.52 is: 18,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.52 : 35,237.28 = 12,547.52 : x
  2. Step 2: Convert to fraction form
    23,491.52/35,237.28 = 12,547.52/x
  3. Step 3: Cross multiply
    23,491.52x = 35,237.28 × 12,547.52
  4. Step 4: Simplify right side
    23,491.52x = 442,140,475.55
  5. Step 5: Solve for x
    x = 442,140,475.55/23,491.52
  6. Step 6: Final answer
    x = 18,821.28

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Similar ratio
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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.