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Finding the Fourth Proportional to 60,768.02, 91,151.49 and 19,215.02

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Solution

The fourth proportional to 60,768.02, 91,151.49 and 19,215.02 is: 28,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,768.02 : 91,151.49 = 19,215.02 : x
  2. Step 2: Convert to fraction form
    60,768.02/91,151.49 = 19,215.02/x
  3. Step 3: Cross multiply
    60,768.02x = 91,151.49 × 19,215.02
  4. Step 4: Simplify right side
    60,768.02x = 1,751,477,703.38
  5. Step 5: Solve for x
    x = 1,751,477,703.38/60,768.02
  6. Step 6: Final answer
    x = 28,822.36

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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.