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Finding the Fourth Proportional to 2,950.66, 4,062.45 and 2,357.74

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Solution

The fourth proportional to 2,950.66, 4,062.45 and 2,357.74 is: 3,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.66 : 4,062.45 = 2,357.74 : x
  2. Step 2: Convert to fraction form
    2,950.66/4,062.45 = 2,357.74/x
  3. Step 3: Cross multiply
    2,950.66x = 4,062.45 × 2,357.74
  4. Step 4: Simplify right side
    2,950.66x = 9,578,200.86
  5. Step 5: Solve for x
    x = 9,578,200.86/2,950.66
  6. Step 6: Final answer
    x = 3,246.12

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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.