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Finding the Fourth Proportional to 51,666.94, 77,428.24 and 27,923.30

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Solution

The fourth proportional to 51,666.94, 77,428.24 and 27,923.30 is: 41,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,666.94 : 77,428.24 = 27,923.30 : x
  2. Step 2: Convert to fraction form
    51,666.94/77,428.24 = 27,923.30/x
  3. Step 3: Cross multiply
    51,666.94x = 77,428.24 × 27,923.30
  4. Step 4: Simplify right side
    51,666.94x = 2,162,051,807.40
  5. Step 5: Solve for x
    x = 2,162,051,807.40/51,666.94
  6. Step 6: Final answer
    x = 41,845.94

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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.