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Finding the Fourth Proportional to 64,990.70, 97,486.04 and 23,437.70

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Solution

The fourth proportional to 64,990.70, 97,486.04 and 23,437.70 is: 35,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.70 : 97,486.04 = 23,437.70 : x
  2. Step 2: Convert to fraction form
    64,990.70/97,486.04 = 23,437.70/x
  3. Step 3: Cross multiply
    64,990.70x = 97,486.04 × 23,437.70
  4. Step 4: Simplify right side
    64,990.70x = 2,284,847,955.09
  5. Step 5: Solve for x
    x = 2,284,847,955.09/64,990.70
  6. Step 6: Final answer
    x = 35,156.54

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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.