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Finding the Fourth Proportional to 61,888.84, 85,450.98 and 38,047.48

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Solution

The fourth proportional to 61,888.84, 85,450.98 and 38,047.48 is: 52,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,888.84 : 85,450.98 = 38,047.48 : x
  2. Step 2: Convert to fraction form
    61,888.84/85,450.98 = 38,047.48/x
  3. Step 3: Cross multiply
    61,888.84x = 85,450.98 × 38,047.48
  4. Step 4: Simplify right side
    61,888.84x = 3,251,194,452.53
  5. Step 5: Solve for x
    x = 3,251,194,452.53/61,888.84
  6. Step 6: Final answer
    x = 52,532.81

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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.