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Finding the Fourth Proportional to 69,368.40, 95,728.20 and 37,537.84

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Solution

The fourth proportional to 69,368.40, 95,728.20 and 37,537.84 is: 51,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,368.40 : 95,728.20 = 37,537.84 : x
  2. Step 2: Convert to fraction form
    69,368.40/95,728.20 = 37,537.84/x
  3. Step 3: Cross multiply
    69,368.40x = 95,728.20 × 37,537.84
  4. Step 4: Simplify right side
    69,368.40x = 3,593,429,855.09
  5. Step 5: Solve for x
    x = 3,593,429,855.09/69,368.40
  6. Step 6: Final answer
    x = 51,802.12

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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.