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Finding the Fourth Proportional to 62,408.30, 93,612.45 and 31,232.30

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Solution

The fourth proportional to 62,408.30, 93,612.45 and 31,232.30 is: 46,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,408.30 : 93,612.45 = 31,232.30 : x
  2. Step 2: Convert to fraction form
    62,408.30/93,612.45 = 31,232.30/x
  3. Step 3: Cross multiply
    62,408.30x = 93,612.45 × 31,232.30
  4. Step 4: Simplify right side
    62,408.30x = 2,923,732,122.14
  5. Step 5: Solve for x
    x = 2,923,732,122.14/62,408.30
  6. Step 6: Final answer
    x = 46,848.45

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Similar ratio
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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.