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Finding the Fourth Proportional to 37,706.40, 52,029.03 and 21,787.77

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Solution

The fourth proportional to 37,706.40, 52,029.03 and 21,787.77 is: 30,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,706.40 : 52,029.03 = 21,787.77 : x
  2. Step 2: Convert to fraction form
    37,706.40/52,029.03 = 21,787.77/x
  3. Step 3: Cross multiply
    37,706.40x = 52,029.03 × 21,787.77
  4. Step 4: Simplify right side
    37,706.40x = 1,133,596,538.96
  5. Step 5: Solve for x
    x = 1,133,596,538.96/37,706.40
  6. Step 6: Final answer
    x = 30,063.77

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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.