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Finding the Fourth Proportional to 9,216.60, 12,718.92 and 5,024.92

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Solution

The fourth proportional to 9,216.60, 12,718.92 and 5,024.92 is: 6,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.60 : 12,718.92 = 5,024.92 : x
  2. Step 2: Convert to fraction form
    9,216.60/12,718.92 = 5,024.92/x
  3. Step 3: Cross multiply
    9,216.60x = 12,718.92 × 5,024.92
  4. Step 4: Simplify right side
    9,216.60x = 63,911,555.49
  5. Step 5: Solve for x
    x = 63,911,555.49/9,216.60
  6. Step 6: Final answer
    x = 6,934.40

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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.