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Finding the Fourth Proportional to 10,555.66, 14,558.68 and 7,367.94

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Solution

The fourth proportional to 10,555.66, 14,558.68 and 7,367.94 is: 10,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.66 : 14,558.68 = 7,367.94 : x
  2. Step 2: Convert to fraction form
    10,555.66/14,558.68 = 7,367.94/x
  3. Step 3: Cross multiply
    10,555.66x = 14,558.68 × 7,367.94
  4. Step 4: Simplify right side
    10,555.66x = 107,267,480.72
  5. Step 5: Solve for x
    x = 107,267,480.72/10,555.66
  6. Step 6: Final answer
    x = 10,162.08

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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.