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Finding the Fourth Proportional to 9,960.59, 14,940.79 and 2,565.02

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Solution

The fourth proportional to 9,960.59, 14,940.79 and 2,565.02 is: 3,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.59 : 14,940.79 = 2,565.02 : x
  2. Step 2: Convert to fraction form
    9,960.59/14,940.79 = 2,565.02/x
  3. Step 3: Cross multiply
    9,960.59x = 14,940.79 × 2,565.02
  4. Step 4: Simplify right side
    9,960.59x = 38,323,456.11
  5. Step 5: Solve for x
    x = 38,323,456.11/9,960.59
  6. Step 6: Final answer
    x = 3,847.51

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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.