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Finding the Fourth Proportional to 1,410.92, 1,946.58 and 887.24

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Solution

The fourth proportional to 1,410.92, 1,946.58 and 887.24 is: 1,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.92 : 1,946.58 = 887.24 : x
  2. Step 2: Convert to fraction form
    1,410.92/1,946.58 = 887.24/x
  3. Step 3: Cross multiply
    1,410.92x = 1,946.58 × 887.24
  4. Step 4: Simplify right side
    1,410.92x = 1,727,083.64
  5. Step 5: Solve for x
    x = 1,727,083.64/1,410.92
  6. Step 6: Final answer
    x = 1,224.08

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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.