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Finding the Fourth Proportional to 64,859.50, 97,290.06 and 23,306.50

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Solution

The fourth proportional to 64,859.50, 97,290.06 and 23,306.50 is: 34,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.50 : 97,290.06 = 23,306.50 : x
  2. Step 2: Convert to fraction form
    64,859.50/97,290.06 = 23,306.50/x
  3. Step 3: Cross multiply
    64,859.50x = 97,290.06 × 23,306.50
  4. Step 4: Simplify right side
    64,859.50x = 2,267,490,783.39
  5. Step 5: Solve for x
    x = 2,267,490,783.39/64,859.50
  6. Step 6: Final answer
    x = 34,960.04

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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.