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Finding the Fourth Proportional to 56,959.88, 85,426.68 and 16,970.72

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Solution

The fourth proportional to 56,959.88, 85,426.68 and 16,970.72 is: 25,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959.88 : 85,426.68 = 16,970.72 : x
  2. Step 2: Convert to fraction form
    56,959.88/85,426.68 = 16,970.72/x
  3. Step 3: Cross multiply
    56,959.88x = 85,426.68 × 16,970.72
  4. Step 4: Simplify right side
    56,959.88x = 1,449,752,266.81
  5. Step 5: Solve for x
    x = 1,449,752,266.81/56,959.88
  6. Step 6: Final answer
    x = 25,452.17

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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.