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Finding the Fourth Proportional to 51,966.69, 77,958.18 and 16,898.13

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Solution

The fourth proportional to 51,966.69, 77,958.18 and 16,898.13 is: 25,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,966.69 : 77,958.18 = 16,898.13 : x
  2. Step 2: Convert to fraction form
    51,966.69/77,958.18 = 16,898.13/x
  3. Step 3: Cross multiply
    51,966.69x = 77,958.18 × 16,898.13
  4. Step 4: Simplify right side
    51,966.69x = 1,317,347,460.20
  5. Step 5: Solve for x
    x = 1,317,347,460.20/51,966.69
  6. Step 6: Final answer
    x = 25,349.84

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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.