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Finding the Fourth Proportional to 9,975.76, 14,959.04 and 2,953.26

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Solution

The fourth proportional to 9,975.76, 14,959.04 and 2,953.26 is: 4,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.76 : 14,959.04 = 2,953.26 : x
  2. Step 2: Convert to fraction form
    9,975.76/14,959.04 = 2,953.26/x
  3. Step 3: Cross multiply
    9,975.76x = 14,959.04 × 2,953.26
  4. Step 4: Simplify right side
    9,975.76x = 44,177,934.47
  5. Step 5: Solve for x
    x = 44,177,934.47/9,975.76
  6. Step 6: Final answer
    x = 4,428.53

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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.