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Finding the Fourth Proportional to 6,570.60, 9,062.30 and 4,212.92

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Solution

The fourth proportional to 6,570.60, 9,062.30 and 4,212.92 is: 5,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.60 : 9,062.30 = 4,212.92 : x
  2. Step 2: Convert to fraction form
    6,570.60/9,062.30 = 4,212.92/x
  3. Step 3: Cross multiply
    6,570.60x = 9,062.30 × 4,212.92
  4. Step 4: Simplify right side
    6,570.60x = 38,178,744.92
  5. Step 5: Solve for x
    x = 38,178,744.92/6,570.60
  6. Step 6: Final answer
    x = 5,810.54

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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.