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Finding the Fourth Proportional to 65,125.40, 97,615.20 and 37,058.90

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Solution

The fourth proportional to 65,125.40, 97,615.20 and 37,058.90 is: 55,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,125.40 : 97,615.20 = 37,058.90 : x
  2. Step 2: Convert to fraction form
    65,125.40/97,615.20 = 37,058.90/x
  3. Step 3: Cross multiply
    65,125.40x = 97,615.20 × 37,058.90
  4. Step 4: Simplify right side
    65,125.40x = 3,617,511,935.28
  5. Step 5: Solve for x
    x = 3,617,511,935.28/65,125.40
  6. Step 6: Final answer
    x = 55,546.87

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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.