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Finding the Fourth Proportional to 41,603.60, 62,405.40 and 31,762.10

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Solution

The fourth proportional to 41,603.60, 62,405.40 and 31,762.10 is: 47,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,603.60 : 62,405.40 = 31,762.10 : x
  2. Step 2: Convert to fraction form
    41,603.60/62,405.40 = 31,762.10/x
  3. Step 3: Cross multiply
    41,603.60x = 62,405.40 × 31,762.10
  4. Step 4: Simplify right side
    41,603.60x = 1,982,126,555.34
  5. Step 5: Solve for x
    x = 1,982,126,555.34/41,603.60
  6. Step 6: Final answer
    x = 47,643.15

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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.