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Finding the Fourth Proportional to 6,047.79, 8,354.36 and 5,752.20

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Solution

The fourth proportional to 6,047.79, 8,354.36 and 5,752.20 is: 7,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,047.79 : 8,354.36 = 5,752.20 : x
  2. Step 2: Convert to fraction form
    6,047.79/8,354.36 = 5,752.20/x
  3. Step 3: Cross multiply
    6,047.79x = 8,354.36 × 5,752.20
  4. Step 4: Simplify right side
    6,047.79x = 48,055,920.83
  5. Step 5: Solve for x
    x = 48,055,920.83/6,047.79
  6. Step 6: Final answer
    x = 7,946.03

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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.