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Finding the Fourth Proportional to 1,652.81, 2,280.15 and 1,023.17

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Solution

The fourth proportional to 1,652.81, 2,280.15 and 1,023.17 is: 1,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.81 : 2,280.15 = 1,023.17 : x
  2. Step 2: Convert to fraction form
    1,652.81/2,280.15 = 1,023.17/x
  3. Step 3: Cross multiply
    1,652.81x = 2,280.15 × 1,023.17
  4. Step 4: Simplify right side
    1,652.81x = 2,332,969.67
  5. Step 5: Solve for x
    x = 2,332,969.67/1,652.81
  6. Step 6: Final answer
    x = 1,411.52

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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.