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Finding the Fourth Proportional to 5,766.48, 7,957.77 and 3,248.64

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Solution

The fourth proportional to 5,766.48, 7,957.77 and 3,248.64 is: 4,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.48 : 7,957.77 = 3,248.64 : x
  2. Step 2: Convert to fraction form
    5,766.48/7,957.77 = 3,248.64/x
  3. Step 3: Cross multiply
    5,766.48x = 7,957.77 × 3,248.64
  4. Step 4: Simplify right side
    5,766.48x = 25,851,929.93
  5. Step 5: Solve for x
    x = 25,851,929.93/5,766.48
  6. Step 6: Final answer
    x = 4,483.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.