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Finding the Fourth Proportional to 8,597.74, 12,898.24 and 2,752.78

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Solution

The fourth proportional to 8,597.74, 12,898.24 and 2,752.78 is: 4,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.74 : 12,898.24 = 2,752.78 : x
  2. Step 2: Convert to fraction form
    8,597.74/12,898.24 = 2,752.78/x
  3. Step 3: Cross multiply
    8,597.74x = 12,898.24 × 2,752.78
  4. Step 4: Simplify right side
    8,597.74x = 35,506,017.11
  5. Step 5: Solve for x
    x = 35,506,017.11/8,597.74
  6. Step 6: Final answer
    x = 4,129.69

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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.