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Finding the Fourth Proportional to 37,554.68, 51,820.08 and 20,787.68

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Solution

The fourth proportional to 37,554.68, 51,820.08 and 20,787.68 is: 28,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,554.68 : 51,820.08 = 20,787.68 : x
  2. Step 2: Convert to fraction form
    37,554.68/51,820.08 = 20,787.68/x
  3. Step 3: Cross multiply
    37,554.68x = 51,820.08 × 20,787.68
  4. Step 4: Simplify right side
    37,554.68x = 1,077,219,240.61
  5. Step 5: Solve for x
    x = 1,077,219,240.61/37,554.68
  6. Step 6: Final answer
    x = 28,684.02

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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.