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Finding the Fourth Proportional to 22,362.78, 33,547.43 and 7,566.68

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Solution

The fourth proportional to 22,362.78, 33,547.43 and 7,566.68 is: 11,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.78 : 33,547.43 = 7,566.68 : x
  2. Step 2: Convert to fraction form
    22,362.78/33,547.43 = 7,566.68/x
  3. Step 3: Cross multiply
    22,362.78x = 33,547.43 × 7,566.68
  4. Step 4: Simplify right side
    22,362.78x = 253,842,770.42
  5. Step 5: Solve for x
    x = 253,842,770.42/22,362.78
  6. Step 6: Final answer
    x = 11,351.13

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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.