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Finding the Fourth Proportional to 32,603.40, 48,812.40 and 21,476.52

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Solution

The fourth proportional to 32,603.40, 48,812.40 and 21,476.52 is: 32,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,603.40 : 48,812.40 = 21,476.52 : x
  2. Step 2: Convert to fraction form
    32,603.40/48,812.40 = 21,476.52/x
  3. Step 3: Cross multiply
    32,603.40x = 48,812.40 × 21,476.52
  4. Step 4: Simplify right side
    32,603.40x = 1,048,320,484.85
  5. Step 5: Solve for x
    x = 1,048,320,484.85/32,603.40
  6. Step 6: Final answer
    x = 32,153.72

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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.