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Finding the Fourth Proportional to 52,746.50, 79,119.76 and 15,810.50

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Solution

The fourth proportional to 52,746.50, 79,119.76 and 15,810.50 is: 23,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.50 : 79,119.76 = 15,810.50 : x
  2. Step 2: Convert to fraction form
    52,746.50/79,119.76 = 15,810.50/x
  3. Step 3: Cross multiply
    52,746.50x = 79,119.76 × 15,810.50
  4. Step 4: Simplify right side
    52,746.50x = 1,250,923,209.08
  5. Step 5: Solve for x
    x = 1,250,923,209.08/52,746.50
  6. Step 6: Final answer
    x = 23,715.76

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Similar ratio
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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.