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Finding the Fourth Proportional to 44,443.10, 66,701.10 and 42,985.10

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Solution

The fourth proportional to 44,443.10, 66,701.10 and 42,985.10 is: 64,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,443.10 : 66,701.10 = 42,985.10 : x
  2. Step 2: Convert to fraction form
    44,443.10/66,701.10 = 42,985.10/x
  3. Step 3: Cross multiply
    44,443.10x = 66,701.10 × 42,985.10
  4. Step 4: Simplify right side
    44,443.10x = 2,867,153,453.61
  5. Step 5: Solve for x
    x = 2,867,153,453.61/44,443.10
  6. Step 6: Final answer
    x = 64,512.90

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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.