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Finding the Fourth Proportional to 24,421.60, 36,603.60 and 10,381.60

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Solution

The fourth proportional to 24,421.60, 36,603.60 and 10,381.60 is: 15,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.60 : 36,603.60 = 10,381.60 : x
  2. Step 2: Convert to fraction form
    24,421.60/36,603.60 = 10,381.60/x
  3. Step 3: Cross multiply
    24,421.60x = 36,603.60 × 10,381.60
  4. Step 4: Simplify right side
    24,421.60x = 380,003,933.76
  5. Step 5: Solve for x
    x = 380,003,933.76/24,421.60
  6. Step 6: Final answer
    x = 15,560.16

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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.