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Finding the Fourth Proportional to 4,543.79, 6,266.27 and 2,948.79

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Solution

The fourth proportional to 4,543.79, 6,266.27 and 2,948.79 is: 4,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.79 : 6,266.27 = 2,948.79 : x
  2. Step 2: Convert to fraction form
    4,543.79/6,266.27 = 2,948.79/x
  3. Step 3: Cross multiply
    4,543.79x = 6,266.27 × 2,948.79
  4. Step 4: Simplify right side
    4,543.79x = 18,477,921.69
  5. Step 5: Solve for x
    x = 18,477,921.69/4,543.79
  6. Step 6: Final answer
    x = 4,066.63

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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.