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Finding the Fourth Proportional to 55,650.80, 76,802.24 and 34,442.40

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Solution

The fourth proportional to 55,650.80, 76,802.24 and 34,442.40 is: 47,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,650.80 : 76,802.24 = 34,442.40 : x
  2. Step 2: Convert to fraction form
    55,650.80/76,802.24 = 34,442.40/x
  3. Step 3: Cross multiply
    55,650.80x = 76,802.24 × 34,442.40
  4. Step 4: Simplify right side
    55,650.80x = 2,645,253,470.98
  5. Step 5: Solve for x
    x = 2,645,253,470.98/55,650.80
  6. Step 6: Final answer
    x = 47,533.07

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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.