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Finding the Fourth Proportional to 32,565.20, 48,815.40 and 15,004.40

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Solution

The fourth proportional to 32,565.20, 48,815.40 and 15,004.40 is: 22,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,565.20 : 48,815.40 = 15,004.40 : x
  2. Step 2: Convert to fraction form
    32,565.20/48,815.40 = 15,004.40/x
  3. Step 3: Cross multiply
    32,565.20x = 48,815.40 × 15,004.40
  4. Step 4: Simplify right side
    32,565.20x = 732,445,787.76
  5. Step 5: Solve for x
    x = 732,445,787.76/32,565.20
  6. Step 6: Final answer
    x = 22,491.67

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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.