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Finding the Fourth Proportional to 10,073.80, 15,110.70 and 9,417.70

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Solution

The fourth proportional to 10,073.80, 15,110.70 and 9,417.70 is: 14,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.80 : 15,110.70 = 9,417.70 : x
  2. Step 2: Convert to fraction form
    10,073.80/15,110.70 = 9,417.70/x
  3. Step 3: Cross multiply
    10,073.80x = 15,110.70 × 9,417.70
  4. Step 4: Simplify right side
    10,073.80x = 142,308,039.39
  5. Step 5: Solve for x
    x = 142,308,039.39/10,073.80
  6. Step 6: Final answer
    x = 14,126.55

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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.