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Finding the Fourth Proportional to 40,393.98, 60,603.93 and 25,615.26

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Solution

The fourth proportional to 40,393.98, 60,603.93 and 25,615.26 is: 38,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.98 : 60,603.93 = 25,615.26 : x
  2. Step 2: Convert to fraction form
    40,393.98/60,603.93 = 25,615.26/x
  3. Step 3: Cross multiply
    40,393.98x = 60,603.93 × 25,615.26
  4. Step 4: Simplify right side
    40,393.98x = 1,552,385,423.97
  5. Step 5: Solve for x
    x = 1,552,385,423.97/40,393.98
  6. Step 6: Final answer
    x = 38,431.11

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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.