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Finding the Fourth Proportional to 10,303.55, 15,532.55 and 9,616.94

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Solution

The fourth proportional to 10,303.55, 15,532.55 and 9,616.94 is: 14,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.55 : 15,532.55 = 9,616.94 : x
  2. Step 2: Convert to fraction form
    10,303.55/15,532.55 = 9,616.94/x
  3. Step 3: Cross multiply
    10,303.55x = 15,532.55 × 9,616.94
  4. Step 4: Simplify right side
    10,303.55x = 149,375,592.14
  5. Step 5: Solve for x
    x = 149,375,592.14/10,303.55
  6. Step 6: Final answer
    x = 14,497.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.