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Finding the Fourth Proportional to 27,002.60, 40,484.70 and 10,356.20

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Solution

The fourth proportional to 27,002.60, 40,484.70 and 10,356.20 is: 15,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002.60 : 40,484.70 = 10,356.20 : x
  2. Step 2: Convert to fraction form
    27,002.60/40,484.70 = 10,356.20/x
  3. Step 3: Cross multiply
    27,002.60x = 40,484.70 × 10,356.20
  4. Step 4: Simplify right side
    27,002.60x = 419,267,650.14
  5. Step 5: Solve for x
    x = 419,267,650.14/27,002.60
  6. Step 6: Final answer
    x = 15,526.94

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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.