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Finding the Fourth Proportional to 1,952.06, 2,926.40 and 718.83

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Solution

The fourth proportional to 1,952.06, 2,926.40 and 718.83 is: 1,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.06 : 2,926.40 = 718.83 : x
  2. Step 2: Convert to fraction form
    1,952.06/2,926.40 = 718.83/x
  3. Step 3: Cross multiply
    1,952.06x = 2,926.40 × 718.83
  4. Step 4: Simplify right side
    1,952.06x = 2,103,580.52
  5. Step 5: Solve for x
    x = 2,103,580.52/1,952.06
  6. Step 6: Final answer
    x = 1,077.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.