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Finding the Fourth Proportional to 1,567.60, 2,352.02 and 746.24

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Solution

The fourth proportional to 1,567.60, 2,352.02 and 746.24 is: 1,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.60 : 2,352.02 = 746.24 : x
  2. Step 2: Convert to fraction form
    1,567.60/2,352.02 = 746.24/x
  3. Step 3: Cross multiply
    1,567.60x = 2,352.02 × 746.24
  4. Step 4: Simplify right side
    1,567.60x = 1,755,171.40
  5. Step 5: Solve for x
    x = 1,755,171.40/1,567.60
  6. Step 6: Final answer
    x = 1,119.66

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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.