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Finding the Fourth Proportional to 60,755.49, 91,133.24 and 19,199.25

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Solution

The fourth proportional to 60,755.49, 91,133.24 and 19,199.25 is: 28,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.49 : 91,133.24 = 19,199.25 : x
  2. Step 2: Convert to fraction form
    60,755.49/91,133.24 = 19,199.25/x
  3. Step 3: Cross multiply
    60,755.49x = 91,133.24 × 19,199.25
  4. Step 4: Simplify right side
    60,755.49x = 1,749,689,762.07
  5. Step 5: Solve for x
    x = 1,749,689,762.07/60,755.49
  6. Step 6: Final answer
    x = 28,798.88

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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.