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Finding the Fourth Proportional to 10,952.10, 16,424.10 and 7,655.40

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Solution

The fourth proportional to 10,952.10, 16,424.10 and 7,655.40 is: 11,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.10 : 16,424.10 = 7,655.40 : x
  2. Step 2: Convert to fraction form
    10,952.10/16,424.10 = 7,655.40/x
  3. Step 3: Cross multiply
    10,952.10x = 16,424.10 × 7,655.40
  4. Step 4: Simplify right side
    10,952.10x = 125,733,055.14
  5. Step 5: Solve for x
    x = 125,733,055.14/10,952.10
  6. Step 6: Final answer
    x = 11,480.27

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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.