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Finding the Fourth Proportional to 56,901.48, 85,324.90 and 26,890.74

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Solution

The fourth proportional to 56,901.48, 85,324.90 and 26,890.74 is: 40,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.48 : 85,324.90 = 26,890.74 : x
  2. Step 2: Convert to fraction form
    56,901.48/85,324.90 = 26,890.74/x
  3. Step 3: Cross multiply
    56,901.48x = 85,324.90 × 26,890.74
  4. Step 4: Simplify right side
    56,901.48x = 2,294,449,701.43
  5. Step 5: Solve for x
    x = 2,294,449,701.43/56,901.48
  6. Step 6: Final answer
    x = 40,323.20

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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.