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Finding the Fourth Proportional to 1,568.46, 2,352.70 and 875.02

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Solution

The fourth proportional to 1,568.46, 2,352.70 and 875.02 is: 1,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.46 : 2,352.70 = 875.02 : x
  2. Step 2: Convert to fraction form
    1,568.46/2,352.70 = 875.02/x
  3. Step 3: Cross multiply
    1,568.46x = 2,352.70 × 875.02
  4. Step 4: Simplify right side
    1,568.46x = 2,058,659.55
  5. Step 5: Solve for x
    x = 2,058,659.55/1,568.46
  6. Step 6: Final answer
    x = 1,312.54

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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.