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Finding the Fourth Proportional to 76,560.01, 105,641.24 and 43,849.32

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Solution

The fourth proportional to 76,560.01, 105,641.24 and 43,849.32 is: 60,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,560.01 : 105,641.24 = 43,849.32 : x
  2. Step 2: Convert to fraction form
    76,560.01/105,641.24 = 43,849.32/x
  3. Step 3: Cross multiply
    76,560.01x = 105,641.24 × 43,849.32
  4. Step 4: Simplify right side
    76,560.01x = 4,632,296,937.23
  5. Step 5: Solve for x
    x = 4,632,296,937.23/76,560.01
  6. Step 6: Final answer
    x = 60,505.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.