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Finding the Fourth Proportional to 52,795.92, 79,206.12 and 15,356.88

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Solution

The fourth proportional to 52,795.92, 79,206.12 and 15,356.88 is: 23,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,795.92 : 79,206.12 = 15,356.88 : x
  2. Step 2: Convert to fraction form
    52,795.92/79,206.12 = 15,356.88/x
  3. Step 3: Cross multiply
    52,795.92x = 79,206.12 × 15,356.88
  4. Step 4: Simplify right side
    52,795.92x = 1,216,358,880.11
  5. Step 5: Solve for x
    x = 1,216,358,880.11/52,795.92
  6. Step 6: Final answer
    x = 23,038.88

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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.