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Finding the Fourth Proportional to 11,110.65, 15,333.65 and 6,332.05

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Solution

The fourth proportional to 11,110.65, 15,333.65 and 6,332.05 is: 8,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.65 : 15,333.65 = 6,332.05 : x
  2. Step 2: Convert to fraction form
    11,110.65/15,333.65 = 6,332.05/x
  3. Step 3: Cross multiply
    11,110.65x = 15,333.65 × 6,332.05
  4. Step 4: Simplify right side
    11,110.65x = 97,093,438.48
  5. Step 5: Solve for x
    x = 97,093,438.48/11,110.65
  6. Step 6: Final answer
    x = 8,738.77

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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.