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Finding the Fourth Proportional to 84,014.70, 126,032.85 and 41,916.30

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Solution

The fourth proportional to 84,014.70, 126,032.85 and 41,916.30 is: 62,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.70 : 126,032.85 = 41,916.30 : x
  2. Step 2: Convert to fraction form
    84,014.70/126,032.85 = 41,916.30/x
  3. Step 3: Cross multiply
    84,014.70x = 126,032.85 × 41,916.30
  4. Step 4: Simplify right side
    84,014.70x = 5,282,830,750.46
  5. Step 5: Solve for x
    x = 5,282,830,750.46/84,014.70
  6. Step 6: Final answer
    x = 62,879.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.