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Finding the Fourth Proportional to 60,830.88, 91,260.72 and 19,277.88

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Solution

The fourth proportional to 60,830.88, 91,260.72 and 19,277.88 is: 28,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.88 : 91,260.72 = 19,277.88 : x
  2. Step 2: Convert to fraction form
    60,830.88/91,260.72 = 19,277.88/x
  3. Step 3: Cross multiply
    60,830.88x = 91,260.72 × 19,277.88
  4. Step 4: Simplify right side
    60,830.88x = 1,759,313,208.87
  5. Step 5: Solve for x
    x = 1,759,313,208.87/60,830.88
  6. Step 6: Final answer
    x = 28,921.38

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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.