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Finding the Fourth Proportional to 69,672.71, 96,146.76 and 37,840.93

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Solution

The fourth proportional to 69,672.71, 96,146.76 and 37,840.93 is: 52,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.71 : 96,146.76 = 37,840.93 : x
  2. Step 2: Convert to fraction form
    69,672.71/96,146.76 = 37,840.93/x
  3. Step 3: Cross multiply
    69,672.71x = 96,146.76 × 37,840.93
  4. Step 4: Simplify right side
    69,672.71x = 3,638,282,716.42
  5. Step 5: Solve for x
    x = 3,638,282,716.42/69,672.71
  6. Step 6: Final answer
    x = 52,219.62

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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.