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Finding the Fourth Proportional to 51,606.70, 77,424.45 and 25,312.30

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Solution

The fourth proportional to 51,606.70, 77,424.45 and 25,312.30 is: 37,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.70 : 77,424.45 = 25,312.30 : x
  2. Step 2: Convert to fraction form
    51,606.70/77,424.45 = 25,312.30/x
  3. Step 3: Cross multiply
    51,606.70x = 77,424.45 × 25,312.30
  4. Step 4: Simplify right side
    51,606.70x = 1,959,790,905.74
  5. Step 5: Solve for x
    x = 1,959,790,905.74/51,606.70
  6. Step 6: Final answer
    x = 37,975.51

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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.