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Finding the Fourth Proportional to 8,888.58, 13,345.02 and 4,995.72

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Solution

The fourth proportional to 8,888.58, 13,345.02 and 4,995.72 is: 7,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.58 : 13,345.02 = 4,995.72 : x
  2. Step 2: Convert to fraction form
    8,888.58/13,345.02 = 4,995.72/x
  3. Step 3: Cross multiply
    8,888.58x = 13,345.02 × 4,995.72
  4. Step 4: Simplify right side
    8,888.58x = 66,667,983.31
  5. Step 5: Solve for x
    x = 66,667,983.31/8,888.58
  6. Step 6: Final answer
    x = 7,500.41

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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.