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Finding the Fourth Proportional to 5,751.78, 8,666.80 and 4,734.60

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Solution

The fourth proportional to 5,751.78, 8,666.80 and 4,734.60 is: 7,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.78 : 8,666.80 = 4,734.60 : x
  2. Step 2: Convert to fraction form
    5,751.78/8,666.80 = 4,734.60/x
  3. Step 3: Cross multiply
    5,751.78x = 8,666.80 × 4,734.60
  4. Step 4: Simplify right side
    5,751.78x = 41,033,831.28
  5. Step 5: Solve for x
    x = 41,033,831.28/5,751.78
  6. Step 6: Final answer
    x = 7,134.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.