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Finding the Fourth Proportional to 60,516.72, 90,860.13 and 30,955.77

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Solution

The fourth proportional to 60,516.72, 90,860.13 and 30,955.77 is: 46,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,516.72 : 90,860.13 = 30,955.77 : x
  2. Step 2: Convert to fraction form
    60,516.72/90,860.13 = 30,955.77/x
  3. Step 3: Cross multiply
    60,516.72x = 90,860.13 × 30,955.77
  4. Step 4: Simplify right side
    60,516.72x = 2,812,645,286.45
  5. Step 5: Solve for x
    x = 2,812,645,286.45/60,516.72
  6. Step 6: Final answer
    x = 46,477.16

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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.