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Finding the Fourth Proportional to 56,463.20, 84,694.80 and 17,026.40

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Solution

The fourth proportional to 56,463.20, 84,694.80 and 17,026.40 is: 25,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.20 : 84,694.80 = 17,026.40 : x
  2. Step 2: Convert to fraction form
    56,463.20/84,694.80 = 17,026.40/x
  3. Step 3: Cross multiply
    56,463.20x = 84,694.80 × 17,026.40
  4. Step 4: Simplify right side
    56,463.20x = 1,442,047,542.72
  5. Step 5: Solve for x
    x = 1,442,047,542.72/56,463.20
  6. Step 6: Final answer
    x = 25,539.60

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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.