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Finding the Fourth Proportional to 60,469.34, 90,704.94 and 23,031.50

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Solution

The fourth proportional to 60,469.34, 90,704.94 and 23,031.50 is: 34,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,469.34 : 90,704.94 = 23,031.50 : x
  2. Step 2: Convert to fraction form
    60,469.34/90,704.94 = 23,031.50/x
  3. Step 3: Cross multiply
    60,469.34x = 90,704.94 × 23,031.50
  4. Step 4: Simplify right side
    60,469.34x = 2,089,070,825.61
  5. Step 5: Solve for x
    x = 2,089,070,825.61/60,469.34
  6. Step 6: Final answer
    x = 34,547.60

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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.