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Finding the Fourth Proportional to 1,461.48, 2,016.40 and 902.04

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Solution

The fourth proportional to 1,461.48, 2,016.40 and 902.04 is: 1,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.48 : 2,016.40 = 902.04 : x
  2. Step 2: Convert to fraction form
    1,461.48/2,016.40 = 902.04/x
  3. Step 3: Cross multiply
    1,461.48x = 2,016.40 × 902.04
  4. Step 4: Simplify right side
    1,461.48x = 1,818,873.46
  5. Step 5: Solve for x
    x = 1,818,873.46/1,461.48
  6. Step 6: Final answer
    x = 1,244.54

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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.