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Finding the Fourth Proportional to 4,862.60, 7,283.10 and 4,214.60

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Solution

The fourth proportional to 4,862.60, 7,283.10 and 4,214.60 is: 6,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.60 : 7,283.10 = 4,214.60 : x
  2. Step 2: Convert to fraction form
    4,862.60/7,283.10 = 4,214.60/x
  3. Step 3: Cross multiply
    4,862.60x = 7,283.10 × 4,214.60
  4. Step 4: Simplify right side
    4,862.60x = 30,695,353.26
  5. Step 5: Solve for x
    x = 30,695,353.26/4,862.60
  6. Step 6: Final answer
    x = 6,312.54

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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.