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Finding the Fourth Proportional to 8,607.99, 12,909.63 and 2,366.52

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Solution

The fourth proportional to 8,607.99, 12,909.63 and 2,366.52 is: 3,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.99 : 12,909.63 = 2,366.52 : x
  2. Step 2: Convert to fraction form
    8,607.99/12,909.63 = 2,366.52/x
  3. Step 3: Cross multiply
    8,607.99x = 12,909.63 × 2,366.52
  4. Step 4: Simplify right side
    8,607.99x = 30,550,897.59
  5. Step 5: Solve for x
    x = 30,550,897.59/8,607.99
  6. Step 6: Final answer
    x = 3,549.13

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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.