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Finding the Fourth Proportional to 56,478.50, 84,662.67 and 26,888.39

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Solution

The fourth proportional to 56,478.50, 84,662.67 and 26,888.39 is: 40,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.50 : 84,662.67 = 26,888.39 : x
  2. Step 2: Convert to fraction form
    56,478.50/84,662.67 = 26,888.39/x
  3. Step 3: Cross multiply
    56,478.50x = 84,662.67 × 26,888.39
  4. Step 4: Simplify right side
    56,478.50x = 2,276,442,682.74
  5. Step 5: Solve for x
    x = 2,276,442,682.74/56,478.50
  6. Step 6: Final answer
    x = 40,306.36

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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.