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Finding the Fourth Proportional to 52,706.81, 72,737.13 and 30,045.39

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Solution

The fourth proportional to 52,706.81, 72,737.13 and 30,045.39 is: 41,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,706.81 : 72,737.13 = 30,045.39 : x
  2. Step 2: Convert to fraction form
    52,706.81/72,737.13 = 30,045.39/x
  3. Step 3: Cross multiply
    52,706.81x = 72,737.13 × 30,045.39
  4. Step 4: Simplify right side
    52,706.81x = 2,185,415,438.33
  5. Step 5: Solve for x
    x = 2,185,415,438.33/52,706.81
  6. Step 6: Final answer
    x = 41,463.63

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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.