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Finding the Fourth Proportional to 64,990.94, 97,486.41 and 23,437.94

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Solution

The fourth proportional to 64,990.94, 97,486.41 and 23,437.94 is: 35,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.94 : 97,486.41 = 23,437.94 : x
  2. Step 2: Convert to fraction form
    64,990.94/97,486.41 = 23,437.94/x
  3. Step 3: Cross multiply
    64,990.94x = 97,486.41 × 23,437.94
  4. Step 4: Simplify right side
    64,990.94x = 2,284,880,628.40
  5. Step 5: Solve for x
    x = 2,284,880,628.40/64,990.94
  6. Step 6: Final answer
    x = 35,156.91

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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.