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Finding the Fourth Proportional to 60,597.72, 90,911.30 and 19,044.72

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Solution

The fourth proportional to 60,597.72, 90,911.30 and 19,044.72 is: 28,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,597.72 : 90,911.30 = 19,044.72 : x
  2. Step 2: Convert to fraction form
    60,597.72/90,911.30 = 19,044.72/x
  3. Step 3: Cross multiply
    60,597.72x = 90,911.30 × 19,044.72
  4. Step 4: Simplify right side
    60,597.72x = 1,731,380,158.11
  5. Step 5: Solve for x
    x = 1,731,380,158.11/60,597.72
  6. Step 6: Final answer
    x = 28,571.70

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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.