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Finding the Fourth Proportional to 9,995.05, 15,006.40 and 5,068.13

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Solution

The fourth proportional to 9,995.05, 15,006.40 and 5,068.13 is: 7,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.05 : 15,006.40 = 5,068.13 : x
  2. Step 2: Convert to fraction form
    9,995.05/15,006.40 = 5,068.13/x
  3. Step 3: Cross multiply
    9,995.05x = 15,006.40 × 5,068.13
  4. Step 4: Simplify right side
    9,995.05x = 76,054,298.33
  5. Step 5: Solve for x
    x = 76,054,298.33/9,995.05
  6. Step 6: Final answer
    x = 7,609.20

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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.