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Finding the Fourth Proportional to 1,567.84, 2,352.10 and 472.29

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Solution

The fourth proportional to 1,567.84, 2,352.10 and 472.29 is: 708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.84 : 2,352.10 = 472.29 : x
  2. Step 2: Convert to fraction form
    1,567.84/2,352.10 = 472.29/x
  3. Step 3: Cross multiply
    1,567.84x = 2,352.10 × 472.29
  4. Step 4: Simplify right side
    1,567.84x = 1,110,873.31
  5. Step 5: Solve for x
    x = 1,110,873.31/1,567.84
  6. Step 6: Final answer
    x = 708.54

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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.