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Finding the Fourth Proportional to 62,254.40, 85,907.72 and 35,393.20

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Solution

The fourth proportional to 62,254.40, 85,907.72 and 35,393.20 is: 48,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,254.40 : 85,907.72 = 35,393.20 : x
  2. Step 2: Convert to fraction form
    62,254.40/85,907.72 = 35,393.20/x
  3. Step 3: Cross multiply
    62,254.40x = 85,907.72 × 35,393.20
  4. Step 4: Simplify right side
    62,254.40x = 3,040,549,115.50
  5. Step 5: Solve for x
    x = 3,040,549,115.50/62,254.40
  6. Step 6: Final answer
    x = 48,840.71

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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.