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Finding the Fourth Proportional to 10,269.60, 15,404.40 and 9,362.40

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Solution

The fourth proportional to 10,269.60, 15,404.40 and 9,362.40 is: 14,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.60 : 15,404.40 = 9,362.40 : x
  2. Step 2: Convert to fraction form
    10,269.60/15,404.40 = 9,362.40/x
  3. Step 3: Cross multiply
    10,269.60x = 15,404.40 × 9,362.40
  4. Step 4: Simplify right side
    10,269.60x = 144,222,154.56
  5. Step 5: Solve for x
    x = 144,222,154.56/10,269.60
  6. Step 6: Final answer
    x = 14,043.60

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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.