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Finding the Fourth Proportional to 60,627.84, 90,941.92 and 21,184.96

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Solution

The fourth proportional to 60,627.84, 90,941.92 and 21,184.96 is: 31,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,627.84 : 90,941.92 = 21,184.96 : x
  2. Step 2: Convert to fraction form
    60,627.84/90,941.92 = 21,184.96/x
  3. Step 3: Cross multiply
    60,627.84x = 90,941.92 × 21,184.96
  4. Step 4: Simplify right side
    60,627.84x = 1,926,600,937.52
  5. Step 5: Solve for x
    x = 1,926,600,937.52/60,627.84
  6. Step 6: Final answer
    x = 31,777.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.