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Finding the Fourth Proportional to 61,586.98, 84,990.06 and 33,292.68

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Solution

The fourth proportional to 61,586.98, 84,990.06 and 33,292.68 is: 45,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.98 : 84,990.06 = 33,292.68 : x
  2. Step 2: Convert to fraction form
    61,586.98/84,990.06 = 33,292.68/x
  3. Step 3: Cross multiply
    61,586.98x = 84,990.06 × 33,292.68
  4. Step 4: Simplify right side
    61,586.98x = 2,829,546,870.76
  5. Step 5: Solve for x
    x = 2,829,546,870.76/61,586.98
  6. Step 6: Final answer
    x = 45,943.91

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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.