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Finding the Fourth Proportional to 61,586.90, 84,990.05 and 33,292.59

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Solution

The fourth proportional to 61,586.90, 84,990.05 and 33,292.59 is: 45,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.90 : 84,990.05 = 33,292.59 : x
  2. Step 2: Convert to fraction form
    61,586.90/84,990.05 = 33,292.59/x
  3. Step 3: Cross multiply
    61,586.90x = 84,990.05 × 33,292.59
  4. Step 4: Simplify right side
    61,586.90x = 2,829,538,528.40
  5. Step 5: Solve for x
    x = 2,829,538,528.40/61,586.90
  6. Step 6: Final answer
    x = 45,943.84

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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.