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Finding the Fourth Proportional to 10,009.94, 15,016.80 and 4,167.02

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Solution

The fourth proportional to 10,009.94, 15,016.80 and 4,167.02 is: 6,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.94 : 15,016.80 = 4,167.02 : x
  2. Step 2: Convert to fraction form
    10,009.94/15,016.80 = 4,167.02/x
  3. Step 3: Cross multiply
    10,009.94x = 15,016.80 × 4,167.02
  4. Step 4: Simplify right side
    10,009.94x = 62,575,305.94
  5. Step 5: Solve for x
    x = 62,575,305.94/10,009.94
  6. Step 6: Final answer
    x = 6,251.32

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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.