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Finding the Fourth Proportional to 10,191.66, 15,266.64 and 6,019.08

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Solution

The fourth proportional to 10,191.66, 15,266.64 and 6,019.08 is: 9,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.66 : 15,266.64 = 6,019.08 : x
  2. Step 2: Convert to fraction form
    10,191.66/15,266.64 = 6,019.08/x
  3. Step 3: Cross multiply
    10,191.66x = 15,266.64 × 6,019.08
  4. Step 4: Simplify right side
    10,191.66x = 91,891,127.49
  5. Step 5: Solve for x
    x = 91,891,127.49/10,191.66
  6. Step 6: Final answer
    x = 9,016.31

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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.