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Finding the Fourth Proportional to 1,248.24, 1,873.50 and 632.37

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Solution

The fourth proportional to 1,248.24, 1,873.50 and 632.37 is: 949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.24 : 1,873.50 = 632.37 : x
  2. Step 2: Convert to fraction form
    1,248.24/1,873.50 = 632.37/x
  3. Step 3: Cross multiply
    1,248.24x = 1,873.50 × 632.37
  4. Step 4: Simplify right side
    1,248.24x = 1,184,745.20
  5. Step 5: Solve for x
    x = 1,184,745.20/1,248.24
  6. Step 6: Final answer
    x = 949.13

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.