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Finding the Fourth Proportional to 8,652.70, 12,979.04 and 4,952.35

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Solution

The fourth proportional to 8,652.70, 12,979.04 and 4,952.35 is: 7,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.70 : 12,979.04 = 4,952.35 : x
  2. Step 2: Convert to fraction form
    8,652.70/12,979.04 = 4,952.35/x
  3. Step 3: Cross multiply
    8,652.70x = 12,979.04 × 4,952.35
  4. Step 4: Simplify right side
    8,652.70x = 64,276,696.23
  5. Step 5: Solve for x
    x = 64,276,696.23/8,652.70
  6. Step 6: Final answer
    x = 7,428.52

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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.