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Finding the Fourth Proportional to 65,360.88, 98,058.60 and 34,187.76

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Solution

The fourth proportional to 65,360.88, 98,058.60 and 34,187.76 is: 51,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360.88 : 98,058.60 = 34,187.76 : x
  2. Step 2: Convert to fraction form
    65,360.88/98,058.60 = 34,187.76/x
  3. Step 3: Cross multiply
    65,360.88x = 98,058.60 × 34,187.76
  4. Step 4: Simplify right side
    65,360.88x = 3,352,403,882.74
  5. Step 5: Solve for x
    x = 3,352,403,882.74/65,360.88
  6. Step 6: Final answer
    x = 51,290.68

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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.