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Finding the Fourth Proportional to 8,658.44, 12,970.58 and 4,501.16

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Solution

The fourth proportional to 8,658.44, 12,970.58 and 4,501.16 is: 6,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.44 : 12,970.58 = 4,501.16 : x
  2. Step 2: Convert to fraction form
    8,658.44/12,970.58 = 4,501.16/x
  3. Step 3: Cross multiply
    8,658.44x = 12,970.58 × 4,501.16
  4. Step 4: Simplify right side
    8,658.44x = 58,382,568.51
  5. Step 5: Solve for x
    x = 58,382,568.51/8,658.44
  6. Step 6: Final answer
    x = 6,742.85

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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.