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Finding the Fourth Proportional to 32,672.16, 49,008.80 and 9,299.20

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Solution

The fourth proportional to 32,672.16, 49,008.80 and 9,299.20 is: 13,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,672.16 : 49,008.80 = 9,299.20 : x
  2. Step 2: Convert to fraction form
    32,672.16/49,008.80 = 9,299.20/x
  3. Step 3: Cross multiply
    32,672.16x = 49,008.80 × 9,299.20
  4. Step 4: Simplify right side
    32,672.16x = 455,742,632.96
  5. Step 5: Solve for x
    x = 455,742,632.96/32,672.16
  6. Step 6: Final answer
    x = 13,948.96

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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.