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Finding the Fourth Proportional to 51,818.49, 71,509.05 and 29,462.49

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Solution

The fourth proportional to 51,818.49, 71,509.05 and 29,462.49 is: 40,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.49 : 71,509.05 = 29,462.49 : x
  2. Step 2: Convert to fraction form
    51,818.49/71,509.05 = 29,462.49/x
  3. Step 3: Cross multiply
    51,818.49x = 71,509.05 × 29,462.49
  4. Step 4: Simplify right side
    51,818.49x = 2,106,834,670.53
  5. Step 5: Solve for x
    x = 2,106,834,670.53/51,818.49
  6. Step 6: Final answer
    x = 40,657.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.