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Finding the Fourth Proportional to 4,862.85, 7,295.42 and 1,575.69

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Solution

The fourth proportional to 4,862.85, 7,295.42 and 1,575.69 is: 2,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.85 : 7,295.42 = 1,575.69 : x
  2. Step 2: Convert to fraction form
    4,862.85/7,295.42 = 1,575.69/x
  3. Step 3: Cross multiply
    4,862.85x = 7,295.42 × 1,575.69
  4. Step 4: Simplify right side
    4,862.85x = 11,495,320.34
  5. Step 5: Solve for x
    x = 11,495,320.34/4,862.85
  6. Step 6: Final answer
    x = 2,363.91

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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.