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Finding the Fourth Proportional to 11,061.60, 16,592.40 and 4,484.40

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Solution

The fourth proportional to 11,061.60, 16,592.40 and 4,484.40 is: 6,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.60 : 16,592.40 = 4,484.40 : x
  2. Step 2: Convert to fraction form
    11,061.60/16,592.40 = 4,484.40/x
  3. Step 3: Cross multiply
    11,061.60x = 16,592.40 × 4,484.40
  4. Step 4: Simplify right side
    11,061.60x = 74,406,958.56
  5. Step 5: Solve for x
    x = 74,406,958.56/11,061.60
  6. Step 6: Final answer
    x = 6,726.60

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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.