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Finding the Fourth Proportional to 37,557.75, 56,347.22 and 18,815.16

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Solution

The fourth proportional to 37,557.75, 56,347.22 and 18,815.16 is: 28,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557.75 : 56,347.22 = 18,815.16 : x
  2. Step 2: Convert to fraction form
    37,557.75/56,347.22 = 18,815.16/x
  3. Step 3: Cross multiply
    37,557.75x = 56,347.22 × 18,815.16
  4. Step 4: Simplify right side
    37,557.75x = 1,060,181,959.86
  5. Step 5: Solve for x
    x = 1,060,181,959.86/37,557.75
  6. Step 6: Final answer
    x = 28,228.05

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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.