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Finding the Fourth Proportional to 60,422.40, 83,376 and 35,274.24

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Solution

The fourth proportional to 60,422.40, 83,376 and 35,274.24 is: 48,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,422.40 : 83,376 = 35,274.24 : x
  2. Step 2: Convert to fraction form
    60,422.40/83,376 = 35,274.24/x
  3. Step 3: Cross multiply
    60,422.40x = 83,376 × 35,274.24
  4. Step 4: Simplify right side
    60,422.40x = 2,941,025,034.24
  5. Step 5: Solve for x
    x = 2,941,025,034.24/60,422.40
  6. Step 6: Final answer
    x = 48,674.42

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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.