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Finding the Fourth Proportional to 35,173.81, 48,540 and 19,259.74

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Solution

The fourth proportional to 35,173.81, 48,540 and 19,259.74 is: 26,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.81 : 48,540 = 19,259.74 : x
  2. Step 2: Convert to fraction form
    35,173.81/48,540 = 19,259.74/x
  3. Step 3: Cross multiply
    35,173.81x = 48,540 × 19,259.74
  4. Step 4: Simplify right side
    35,173.81x = 934,867,779.60
  5. Step 5: Solve for x
    x = 934,867,779.60/35,173.81
  6. Step 6: Final answer
    x = 26,578.52

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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.