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Finding the Fourth Proportional to 19,532.59, 26,953.05 and 10,917.18

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Solution

The fourth proportional to 19,532.59, 26,953.05 and 10,917.18 is: 15,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.59 : 26,953.05 = 10,917.18 : x
  2. Step 2: Convert to fraction form
    19,532.59/26,953.05 = 10,917.18/x
  3. Step 3: Cross multiply
    19,532.59x = 26,953.05 × 10,917.18
  4. Step 4: Simplify right side
    19,532.59x = 294,251,243.81
  5. Step 5: Solve for x
    x = 294,251,243.81/19,532.59
  6. Step 6: Final answer
    x = 15,064.63

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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.