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Finding the Fourth Proportional to 56,899.04, 78,526.08 and 32,703.52

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Solution

The fourth proportional to 56,899.04, 78,526.08 and 32,703.52 is: 45,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,899.04 : 78,526.08 = 32,703.52 : x
  2. Step 2: Convert to fraction form
    56,899.04/78,526.08 = 32,703.52/x
  3. Step 3: Cross multiply
    56,899.04x = 78,526.08 × 32,703.52
  4. Step 4: Simplify right side
    56,899.04x = 2,568,079,227.80
  5. Step 5: Solve for x
    x = 2,568,079,227.80/56,899.04
  6. Step 6: Final answer
    x = 45,133.96

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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.