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Finding the Fourth Proportional to 7,417.04, 11,125.52 and 1,945.04

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Solution

The fourth proportional to 7,417.04, 11,125.52 and 1,945.04 is: 2,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.04 : 11,125.52 = 1,945.04 : x
  2. Step 2: Convert to fraction form
    7,417.04/11,125.52 = 1,945.04/x
  3. Step 3: Cross multiply
    7,417.04x = 11,125.52 × 1,945.04
  4. Step 4: Simplify right side
    7,417.04x = 21,639,581.42
  5. Step 5: Solve for x
    x = 21,639,581.42/7,417.04
  6. Step 6: Final answer
    x = 2,917.55

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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.