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Finding the Fourth Proportional to 7,888.96, 10,886.79 and 4,352.23

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Solution

The fourth proportional to 7,888.96, 10,886.79 and 4,352.23 is: 6,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.96 : 10,886.79 = 4,352.23 : x
  2. Step 2: Convert to fraction form
    7,888.96/10,886.79 = 4,352.23/x
  3. Step 3: Cross multiply
    7,888.96x = 10,886.79 × 4,352.23
  4. Step 4: Simplify right side
    7,888.96x = 47,381,814.04
  5. Step 5: Solve for x
    x = 47,381,814.04/7,888.96
  6. Step 6: Final answer
    x = 6,006.09

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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.