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Finding the Fourth Proportional to 62,220.68, 85,862.40 and 35,362.72

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Solution

The fourth proportional to 62,220.68, 85,862.40 and 35,362.72 is: 48,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,220.68 : 85,862.40 = 35,362.72 : x
  2. Step 2: Convert to fraction form
    62,220.68/85,862.40 = 35,362.72/x
  3. Step 3: Cross multiply
    62,220.68x = 85,862.40 × 35,362.72
  4. Step 4: Simplify right side
    62,220.68x = 3,036,328,009.73
  5. Step 5: Solve for x
    x = 3,036,328,009.73/62,220.68
  6. Step 6: Final answer
    x = 48,799.34

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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.