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Finding the Fourth Proportional to 37,630.68, 56,449.08 and 18,901.08

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Solution

The fourth proportional to 37,630.68, 56,449.08 and 18,901.08 is: 28,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.68 : 56,449.08 = 18,901.08 : x
  2. Step 2: Convert to fraction form
    37,630.68/56,449.08 = 18,901.08/x
  3. Step 3: Cross multiply
    37,630.68x = 56,449.08 × 18,901.08
  4. Step 4: Simplify right side
    37,630.68x = 1,066,948,577.01
  5. Step 5: Solve for x
    x = 1,066,948,577.01/37,630.68
  6. Step 6: Final answer
    x = 28,353.16

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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.