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Finding the Fourth Proportional to 8,944.51, 13,349.15 and 8,711.23

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Solution

The fourth proportional to 8,944.51, 13,349.15 and 8,711.23 is: 13,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.51 : 13,349.15 = 8,711.23 : x
  2. Step 2: Convert to fraction form
    8,944.51/13,349.15 = 8,711.23/x
  3. Step 3: Cross multiply
    8,944.51x = 13,349.15 × 8,711.23
  4. Step 4: Simplify right side
    8,944.51x = 116,287,515.95
  5. Step 5: Solve for x
    x = 116,287,515.95/8,944.51
  6. Step 6: Final answer
    x = 13,000.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.