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Finding the Fourth Proportional to 39,458.53, 59,196.07 and 11,378.53

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Solution

The fourth proportional to 39,458.53, 59,196.07 and 11,378.53 is: 17,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,458.53 : 59,196.07 = 11,378.53 : x
  2. Step 2: Convert to fraction form
    39,458.53/59,196.07 = 11,378.53/x
  3. Step 3: Cross multiply
    39,458.53x = 59,196.07 × 11,378.53
  4. Step 4: Simplify right side
    39,458.53x = 673,564,258.38
  5. Step 5: Solve for x
    x = 673,564,258.38/39,458.53
  6. Step 6: Final answer
    x = 17,070.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.