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Finding the Fourth Proportional to 69,465.72, 95,860.69 and 40,784.91

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Solution

The fourth proportional to 69,465.72, 95,860.69 and 40,784.91 is: 56,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,465.72 : 95,860.69 = 40,784.91 : x
  2. Step 2: Convert to fraction form
    69,465.72/95,860.69 = 40,784.91/x
  3. Step 3: Cross multiply
    69,465.72x = 95,860.69 × 40,784.91
  4. Step 4: Simplify right side
    69,465.72x = 3,909,669,614.19
  5. Step 5: Solve for x
    x = 3,909,669,614.19/69,465.72
  6. Step 6: Final answer
    x = 56,282.00

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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.