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Finding the Fourth Proportional to 62,393.84, 85,886.52 and 54,422.18

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Solution

The fourth proportional to 62,393.84, 85,886.52 and 54,422.18 is: 74,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,393.84 : 85,886.52 = 54,422.18 : x
  2. Step 2: Convert to fraction form
    62,393.84/85,886.52 = 54,422.18/x
  3. Step 3: Cross multiply
    62,393.84x = 85,886.52 × 54,422.18
  4. Step 4: Simplify right side
    62,393.84x = 4,674,131,651.01
  5. Step 5: Solve for x
    x = 4,674,131,651.01/62,393.84
  6. Step 6: Final answer
    x = 74,913.35

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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.