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Finding the Fourth Proportional to 69,784.38, 96,261.44 and 43,901.77

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Solution

The fourth proportional to 69,784.38, 96,261.44 and 43,901.77 is: 60,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,784.38 : 96,261.44 = 43,901.77 : x
  2. Step 2: Convert to fraction form
    69,784.38/96,261.44 = 43,901.77/x
  3. Step 3: Cross multiply
    69,784.38x = 96,261.44 × 43,901.77
  4. Step 4: Simplify right side
    69,784.38x = 4,226,047,598.75
  5. Step 5: Solve for x
    x = 4,226,047,598.75/69,784.38
  6. Step 6: Final answer
    x = 60,558.65

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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.