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Finding the Fourth Proportional to 57,888.91, 79,890.06 and 32,395.05

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Solution

The fourth proportional to 57,888.91, 79,890.06 and 32,395.05 is: 44,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.91 : 79,890.06 = 32,395.05 : x
  2. Step 2: Convert to fraction form
    57,888.91/79,890.06 = 32,395.05/x
  3. Step 3: Cross multiply
    57,888.91x = 79,890.06 × 32,395.05
  4. Step 4: Simplify right side
    57,888.91x = 2,588,042,488.20
  5. Step 5: Solve for x
    x = 2,588,042,488.20/57,888.91
  6. Step 6: Final answer
    x = 44,707.05

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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.