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Finding the Fourth Proportional to 60,430.59, 90,632.21 and 22,977.31

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Solution

The fourth proportional to 60,430.59, 90,632.21 and 22,977.31 is: 34,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,430.59 : 90,632.21 = 22,977.31 : x
  2. Step 2: Convert to fraction form
    60,430.59/90,632.21 = 22,977.31/x
  3. Step 3: Cross multiply
    60,430.59x = 90,632.21 × 22,977.31
  4. Step 4: Simplify right side
    60,430.59x = 2,082,483,817.11
  5. Step 5: Solve for x
    x = 2,082,483,817.11/60,430.59
  6. Step 6: Final answer
    x = 34,460.76

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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.