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Finding the Fourth Proportional to 52,788.46, 72,820.47 and 32,638.90

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Solution

The fourth proportional to 52,788.46, 72,820.47 and 32,638.90 is: 45,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.46 : 72,820.47 = 32,638.90 : x
  2. Step 2: Convert to fraction form
    52,788.46/72,820.47 = 32,638.90/x
  3. Step 3: Cross multiply
    52,788.46x = 72,820.47 × 32,638.90
  4. Step 4: Simplify right side
    52,788.46x = 2,376,780,038.28
  5. Step 5: Solve for x
    x = 2,376,780,038.28/52,788.46
  6. Step 6: Final answer
    x = 45,024.61

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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.