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Finding the Fourth Proportional to 15,055.59, 20,794.17 and 10,011.08

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Solution

The fourth proportional to 15,055.59, 20,794.17 and 10,011.08 is: 13,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.59 : 20,794.17 = 10,011.08 : x
  2. Step 2: Convert to fraction form
    15,055.59/20,794.17 = 10,011.08/x
  3. Step 3: Cross multiply
    15,055.59x = 20,794.17 × 10,011.08
  4. Step 4: Simplify right side
    15,055.59x = 208,171,995.43
  5. Step 5: Solve for x
    x = 208,171,995.43/15,055.59
  6. Step 6: Final answer
    x = 13,826.89

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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.