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Finding the Fourth Proportional to 65,730.70, 98,620.35 and 26,316.10

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Solution

The fourth proportional to 65,730.70, 98,620.35 and 26,316.10 is: 39,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,730.70 : 98,620.35 = 26,316.10 : x
  2. Step 2: Convert to fraction form
    65,730.70/98,620.35 = 26,316.10/x
  3. Step 3: Cross multiply
    65,730.70x = 98,620.35 × 26,316.10
  4. Step 4: Simplify right side
    65,730.70x = 2,595,302,992.64
  5. Step 5: Solve for x
    x = 2,595,302,992.64/65,730.70
  6. Step 6: Final answer
    x = 39,483.88

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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.