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Finding the Fourth Proportional to 51,881.92, 77,830.08 and 16,810.24

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Solution

The fourth proportional to 51,881.92, 77,830.08 and 16,810.24 is: 25,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.92 : 77,830.08 = 16,810.24 : x
  2. Step 2: Convert to fraction form
    51,881.92/77,830.08 = 16,810.24/x
  3. Step 3: Cross multiply
    51,881.92x = 77,830.08 × 16,810.24
  4. Step 4: Simplify right side
    51,881.92x = 1,308,342,324.02
  5. Step 5: Solve for x
    x = 1,308,342,324.02/51,881.92
  6. Step 6: Final answer
    x = 25,217.69

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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.