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Finding the Fourth Proportional to 65,788.30, 98,692.17 and 19,035.10

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Solution

The fourth proportional to 65,788.30, 98,692.17 and 19,035.10 is: 28,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,788.30 : 98,692.17 = 19,035.10 : x
  2. Step 2: Convert to fraction form
    65,788.30/98,692.17 = 19,035.10/x
  3. Step 3: Cross multiply
    65,788.30x = 98,692.17 × 19,035.10
  4. Step 4: Simplify right side
    65,788.30x = 1,878,615,484.22
  5. Step 5: Solve for x
    x = 1,878,615,484.22/65,788.30
  6. Step 6: Final answer
    x = 28,555.46

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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.