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Finding the Fourth Proportional to 60,613.76, 90,826.34 and 23,153.40

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Solution

The fourth proportional to 60,613.76, 90,826.34 and 23,153.40 is: 34,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,613.76 : 90,826.34 = 23,153.40 : x
  2. Step 2: Convert to fraction form
    60,613.76/90,826.34 = 23,153.40/x
  3. Step 3: Cross multiply
    60,613.76x = 90,826.34 × 23,153.40
  4. Step 4: Simplify right side
    60,613.76x = 2,102,938,464.79
  5. Step 5: Solve for x
    x = 2,102,938,464.79/60,613.76
  6. Step 6: Final answer
    x = 34,694.08

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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.