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Finding the Fourth Proportional to 60,303.87, 90,460.16 and 15,930.05

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Solution

The fourth proportional to 60,303.87, 90,460.16 and 15,930.05 is: 23,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,303.87 : 90,460.16 = 15,930.05 : x
  2. Step 2: Convert to fraction form
    60,303.87/90,460.16 = 15,930.05/x
  3. Step 3: Cross multiply
    60,303.87x = 90,460.16 × 15,930.05
  4. Step 4: Simplify right side
    60,303.87x = 1,441,034,871.81
  5. Step 5: Solve for x
    x = 1,441,034,871.81/60,303.87
  6. Step 6: Final answer
    x = 23,896.23

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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.