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Finding the Fourth Proportional to 61,586.72, 84,989.64 and 33,292.46

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Solution

The fourth proportional to 61,586.72, 84,989.64 and 33,292.46 is: 45,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.72 : 84,989.64 = 33,292.46 : x
  2. Step 2: Convert to fraction form
    61,586.72/84,989.64 = 33,292.46/x
  3. Step 3: Cross multiply
    61,586.72x = 84,989.64 × 33,292.46
  4. Step 4: Simplify right side
    61,586.72x = 2,829,514,190.11
  5. Step 5: Solve for x
    x = 2,829,514,190.11/61,586.72
  6. Step 6: Final answer
    x = 45,943.58

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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.