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Finding the Fourth Proportional to 56,700.60, 85,063.57 and 17,260.78

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Solution

The fourth proportional to 56,700.60, 85,063.57 and 17,260.78 is: 25,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,700.60 : 85,063.57 = 17,260.78 : x
  2. Step 2: Convert to fraction form
    56,700.60/85,063.57 = 17,260.78/x
  3. Step 3: Cross multiply
    56,700.60x = 85,063.57 × 17,260.78
  4. Step 4: Simplify right side
    56,700.60x = 1,468,263,567.78
  5. Step 5: Solve for x
    x = 1,468,263,567.78/56,700.60
  6. Step 6: Final answer
    x = 25,895.03

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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.