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Finding the Fourth Proportional to 27,303.19, 40,947.40 and 11,717.17

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Solution

The fourth proportional to 27,303.19, 40,947.40 and 11,717.17 is: 17,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.19 : 40,947.40 = 11,717.17 : x
  2. Step 2: Convert to fraction form
    27,303.19/40,947.40 = 11,717.17/x
  3. Step 3: Cross multiply
    27,303.19x = 40,947.40 × 11,717.17
  4. Step 4: Simplify right side
    27,303.19x = 479,787,646.86
  5. Step 5: Solve for x
    x = 479,787,646.86/27,303.19
  6. Step 6: Final answer
    x = 17,572.59

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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.