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Finding the Fourth Proportional to 65,425.40, 98,058.88 and 29,838.00

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Solution

The fourth proportional to 65,425.40, 98,058.88 and 29,838.00 is: 44,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,425.40 : 98,058.88 = 29,838.00 : x
  2. Step 2: Convert to fraction form
    65,425.40/98,058.88 = 29,838.00/x
  3. Step 3: Cross multiply
    65,425.40x = 98,058.88 × 29,838.00
  4. Step 4: Simplify right side
    65,425.40x = 2,925,880,355.17
  5. Step 5: Solve for x
    x = 2,925,880,355.17/65,425.40
  6. Step 6: Final answer
    x = 44,720.87

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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.