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Finding the Fourth Proportional to 52,405.66, 72,352.11 and 36,080.74

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Solution

The fourth proportional to 52,405.66, 72,352.11 and 36,080.74 is: 49,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.66 : 72,352.11 = 36,080.74 : x
  2. Step 2: Convert to fraction form
    52,405.66/72,352.11 = 36,080.74/x
  3. Step 3: Cross multiply
    52,405.66x = 72,352.11 × 36,080.74
  4. Step 4: Simplify right side
    52,405.66x = 2,610,517,669.36
  5. Step 5: Solve for x
    x = 2,610,517,669.36/52,405.66
  6. Step 6: Final answer
    x = 49,813.66

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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.