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Finding the Fourth Proportional to 1,566.55, 2,348.29 and 873.55

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Solution

The fourth proportional to 1,566.55, 2,348.29 and 873.55 is: 1,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.55 : 2,348.29 = 873.55 : x
  2. Step 2: Convert to fraction form
    1,566.55/2,348.29 = 873.55/x
  3. Step 3: Cross multiply
    1,566.55x = 2,348.29 × 873.55
  4. Step 4: Simplify right side
    1,566.55x = 2,051,342.85
  5. Step 5: Solve for x
    x = 2,051,342.85/1,566.55
  6. Step 6: Final answer
    x = 1,309.46

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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.