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Finding the Fourth Proportional to 61,117.50, 84,315.42 and 43,227.84

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Solution

The fourth proportional to 61,117.50, 84,315.42 and 43,227.84 is: 59,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,117.50 : 84,315.42 = 43,227.84 : x
  2. Step 2: Convert to fraction form
    61,117.50/84,315.42 = 43,227.84/x
  3. Step 3: Cross multiply
    61,117.50x = 84,315.42 × 43,227.84
  4. Step 4: Simplify right side
    61,117.50x = 3,644,773,485.29
  5. Step 5: Solve for x
    x = 3,644,773,485.29/61,117.50
  6. Step 6: Final answer
    x = 59,635.51

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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.