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Finding the Fourth Proportional to 62,238.47, 85,888.70 and 35,380.98

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Solution

The fourth proportional to 62,238.47, 85,888.70 and 35,380.98 is: 48,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,238.47 : 85,888.70 = 35,380.98 : x
  2. Step 2: Convert to fraction form
    62,238.47/85,888.70 = 35,380.98/x
  3. Step 3: Cross multiply
    62,238.47x = 85,888.70 × 35,380.98
  4. Step 4: Simplify right side
    62,238.47x = 3,038,825,985.30
  5. Step 5: Solve for x
    x = 3,038,825,985.30/62,238.47
  6. Step 6: Final answer
    x = 48,825.53

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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.