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Finding the Fourth Proportional to 2,242.94, 3,094.95 and 1,248.09

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Solution

The fourth proportional to 2,242.94, 3,094.95 and 1,248.09 is: 1,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.94 : 3,094.95 = 1,248.09 : x
  2. Step 2: Convert to fraction form
    2,242.94/3,094.95 = 1,248.09/x
  3. Step 3: Cross multiply
    2,242.94x = 3,094.95 × 1,248.09
  4. Step 4: Simplify right side
    2,242.94x = 3,862,779.27
  5. Step 5: Solve for x
    x = 3,862,779.27/2,242.94
  6. Step 6: Final answer
    x = 1,722.19

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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.