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Finding the Fourth Proportional to 69,307.72, 95,644.64 and 37,476.64

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Solution

The fourth proportional to 69,307.72, 95,644.64 and 37,476.64 is: 51,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.72 : 95,644.64 = 37,476.64 : x
  2. Step 2: Convert to fraction form
    69,307.72/95,644.64 = 37,476.64/x
  3. Step 3: Cross multiply
    69,307.72x = 95,644.64 × 37,476.64
  4. Step 4: Simplify right side
    69,307.72x = 3,584,439,741.21
  5. Step 5: Solve for x
    x = 3,584,439,741.21/69,307.72
  6. Step 6: Final answer
    x = 51,717.76

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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.