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Finding the Fourth Proportional to 60,305.10, 90,449.76 and 15,935.19

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Solution

The fourth proportional to 60,305.10, 90,449.76 and 15,935.19 is: 23,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,305.10 : 90,449.76 = 15,935.19 : x
  2. Step 2: Convert to fraction form
    60,305.10/90,449.76 = 15,935.19/x
  3. Step 3: Cross multiply
    60,305.10x = 90,449.76 × 15,935.19
  4. Step 4: Simplify right side
    60,305.10x = 1,441,334,111.05
  5. Step 5: Solve for x
    x = 1,441,334,111.05/60,305.10
  6. Step 6: Final answer
    x = 23,900.70

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1.5x scale

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.