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Finding the Fourth Proportional to 15,354.56, 23,031.48 and 7,956.56

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Solution

The fourth proportional to 15,354.56, 23,031.48 and 7,956.56 is: 11,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.56 : 23,031.48 = 7,956.56 : x
  2. Step 2: Convert to fraction form
    15,354.56/23,031.48 = 7,956.56/x
  3. Step 3: Cross multiply
    15,354.56x = 23,031.48 × 7,956.56
  4. Step 4: Simplify right side
    15,354.56x = 183,251,352.51
  5. Step 5: Solve for x
    x = 183,251,352.51/15,354.56
  6. Step 6: Final answer
    x = 11,934.65

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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.