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Finding the Fourth Proportional to 60,486.44, 90,748.11 and 30,925.03

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Solution

The fourth proportional to 60,486.44, 90,748.11 and 30,925.03 is: 46,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.44 : 90,748.11 = 30,925.03 : x
  2. Step 2: Convert to fraction form
    60,486.44/90,748.11 = 30,925.03/x
  3. Step 3: Cross multiply
    60,486.44x = 90,748.11 × 30,925.03
  4. Step 4: Simplify right side
    60,486.44x = 2,806,388,024.19
  5. Step 5: Solve for x
    x = 2,806,388,024.19/60,486.44
  6. Step 6: Final answer
    x = 46,396.98

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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.