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Finding the Fourth Proportional to 45,393.67, 62,642.11 and 26,270.78

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Solution

The fourth proportional to 45,393.67, 62,642.11 and 26,270.78 is: 36,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.67 : 62,642.11 = 26,270.78 : x
  2. Step 2: Convert to fraction form
    45,393.67/62,642.11 = 26,270.78/x
  3. Step 3: Cross multiply
    45,393.67x = 62,642.11 × 26,270.78
  4. Step 4: Simplify right side
    45,393.67x = 1,645,657,113.28
  5. Step 5: Solve for x
    x = 1,645,657,113.28/45,393.67
  6. Step 6: Final answer
    x = 36,253.01

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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.