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Finding the Fourth Proportional to 65,003.93, 97,495.95 and 20,624.91

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Solution

The fourth proportional to 65,003.93, 97,495.95 and 20,624.91 is: 30,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.93 : 97,495.95 = 20,624.91 : x
  2. Step 2: Convert to fraction form
    65,003.93/97,495.95 = 20,624.91/x
  3. Step 3: Cross multiply
    65,003.93x = 97,495.95 × 20,624.91
  4. Step 4: Simplify right side
    65,003.93x = 2,010,845,194.11
  5. Step 5: Solve for x
    x = 2,010,845,194.11/65,003.93
  6. Step 6: Final answer
    x = 30,934.21

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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.