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Finding the Fourth Proportional to 51,869.92, 77,812.08 and 16,798.24

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Solution

The fourth proportional to 51,869.92, 77,812.08 and 16,798.24 is: 25,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.92 : 77,812.08 = 16,798.24 : x
  2. Step 2: Convert to fraction form
    51,869.92/77,812.08 = 16,798.24/x
  3. Step 3: Cross multiply
    51,869.92x = 77,812.08 × 16,798.24
  4. Step 4: Simplify right side
    51,869.92x = 1,307,105,994.74
  5. Step 5: Solve for x
    x = 1,307,105,994.74/51,869.92
  6. Step 6: Final answer
    x = 25,199.69

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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.