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Finding the Fourth Proportional to 52,870.50, 79,305.75 and 15,934.50

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Solution

The fourth proportional to 52,870.50, 79,305.75 and 15,934.50 is: 23,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870.50 : 79,305.75 = 15,934.50 : x
  2. Step 2: Convert to fraction form
    52,870.50/79,305.75 = 15,934.50/x
  3. Step 3: Cross multiply
    52,870.50x = 79,305.75 × 15,934.50
  4. Step 4: Simplify right side
    52,870.50x = 1,263,697,473.38
  5. Step 5: Solve for x
    x = 1,263,697,473.38/52,870.50
  6. Step 6: Final answer
    x = 23,901.75

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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.