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Finding the Fourth Proportional to 10,918.08, 15,066.95 and 5,950.08

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Solution

The fourth proportional to 10,918.08, 15,066.95 and 5,950.08 is: 8,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.08 : 15,066.95 = 5,950.08 : x
  2. Step 2: Convert to fraction form
    10,918.08/15,066.95 = 5,950.08/x
  3. Step 3: Cross multiply
    10,918.08x = 15,066.95 × 5,950.08
  4. Step 4: Simplify right side
    10,918.08x = 89,649,528.11
  5. Step 5: Solve for x
    x = 89,649,528.11/10,918.08
  6. Step 6: Final answer
    x = 8,211.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.