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Finding the Fourth Proportional to 69,491.68, 95,898.60 and 37,660.58

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Solution

The fourth proportional to 69,491.68, 95,898.60 and 37,660.58 is: 51,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491.68 : 95,898.60 = 37,660.58 : x
  2. Step 2: Convert to fraction form
    69,491.68/95,898.60 = 37,660.58/x
  3. Step 3: Cross multiply
    69,491.68x = 95,898.60 × 37,660.58
  4. Step 4: Simplify right side
    69,491.68x = 3,611,596,897.19
  5. Step 5: Solve for x
    x = 3,611,596,897.19/69,491.68
  6. Step 6: Final answer
    x = 51,971.64

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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.