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Finding the Fourth Proportional to 1,950.76, 2,686.63 and 1,944.82

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Solution

The fourth proportional to 1,950.76, 2,686.63 and 1,944.82 is: 2,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.76 : 2,686.63 = 1,944.82 : x
  2. Step 2: Convert to fraction form
    1,950.76/2,686.63 = 1,944.82/x
  3. Step 3: Cross multiply
    1,950.76x = 2,686.63 × 1,944.82
  4. Step 4: Simplify right side
    1,950.76x = 5,225,011.76
  5. Step 5: Solve for x
    x = 5,225,011.76/1,950.76
  6. Step 6: Final answer
    x = 2,678.45

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Half scale
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Double scale
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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.