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Finding the Fourth Proportional to 65,596.88, 90,549.96 and 43,294.16

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Solution

The fourth proportional to 65,596.88, 90,549.96 and 43,294.16 is: 59,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,596.88 : 90,549.96 = 43,294.16 : x
  2. Step 2: Convert to fraction form
    65,596.88/90,549.96 = 43,294.16/x
  3. Step 3: Cross multiply
    65,596.88x = 90,549.96 × 43,294.16
  4. Step 4: Simplify right side
    65,596.88x = 3,920,284,456.23
  5. Step 5: Solve for x
    x = 3,920,284,456.23/65,596.88
  6. Step 6: Final answer
    x = 59,763.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.