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Finding the Fourth Proportional to 65,341.76, 98,000.90 and 17,310.70

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Solution

The fourth proportional to 65,341.76, 98,000.90 and 17,310.70 is: 25,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,341.76 : 98,000.90 = 17,310.70 : x
  2. Step 2: Convert to fraction form
    65,341.76/98,000.90 = 17,310.70/x
  3. Step 3: Cross multiply
    65,341.76x = 98,000.90 × 17,310.70
  4. Step 4: Simplify right side
    65,341.76x = 1,696,463,603.07
  5. Step 5: Solve for x
    x = 1,696,463,603.07/65,341.76
  6. Step 6: Final answer
    x = 25,962.93

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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.