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Finding the Fourth Proportional to 9,388.68, 14,011.75 and 9,007.19

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Solution

The fourth proportional to 9,388.68, 14,011.75 and 9,007.19 is: 13,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.68 : 14,011.75 = 9,007.19 : x
  2. Step 2: Convert to fraction form
    9,388.68/14,011.75 = 9,007.19/x
  3. Step 3: Cross multiply
    9,388.68x = 14,011.75 × 9,007.19
  4. Step 4: Simplify right side
    9,388.68x = 126,206,547.69
  5. Step 5: Solve for x
    x = 126,206,547.69/9,388.68
  6. Step 6: Final answer
    x = 13,442.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.