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Finding the Fourth Proportional to 24,123.60, 36,108.60 and 17,211.60

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Solution

The fourth proportional to 24,123.60, 36,108.60 and 17,211.60 is: 25,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,123.60 : 36,108.60 = 17,211.60 : x
  2. Step 2: Convert to fraction form
    24,123.60/36,108.60 = 17,211.60/x
  3. Step 3: Cross multiply
    24,123.60x = 36,108.60 × 17,211.60
  4. Step 4: Simplify right side
    24,123.60x = 621,486,779.76
  5. Step 5: Solve for x
    x = 621,486,779.76/24,123.60
  6. Step 6: Final answer
    x = 25,762.61

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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.