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Finding the Fourth Proportional to 10,097.84, 15,132.76 and 7,630.64

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Solution

The fourth proportional to 10,097.84, 15,132.76 and 7,630.64 is: 11,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.84 : 15,132.76 = 7,630.64 : x
  2. Step 2: Convert to fraction form
    10,097.84/15,132.76 = 7,630.64/x
  3. Step 3: Cross multiply
    10,097.84x = 15,132.76 × 7,630.64
  4. Step 4: Simplify right side
    10,097.84x = 115,472,643.77
  5. Step 5: Solve for x
    x = 115,472,643.77/10,097.84
  6. Step 6: Final answer
    x = 11,435.38

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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.