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Finding the Fourth Proportional to 24,465.60, 36,633.60 and 19,281.60

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Solution

The fourth proportional to 24,465.60, 36,633.60 and 19,281.60 is: 28,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,465.60 : 36,633.60 = 19,281.60 : x
  2. Step 2: Convert to fraction form
    24,465.60/36,633.60 = 19,281.60/x
  3. Step 3: Cross multiply
    24,465.60x = 36,633.60 × 19,281.60
  4. Step 4: Simplify right side
    24,465.60x = 706,354,421.76
  5. Step 5: Solve for x
    x = 706,354,421.76/24,465.60
  6. Step 6: Final answer
    x = 28,871.33

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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.