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Finding the Fourth Proportional to 64,405.16, 96,607.98 and 26,938.95

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Solution

The fourth proportional to 64,405.16, 96,607.98 and 26,938.95 is: 40,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.16 : 96,607.98 = 26,938.95 : x
  2. Step 2: Convert to fraction form
    64,405.16/96,607.98 = 26,938.95/x
  3. Step 3: Cross multiply
    64,405.16x = 96,607.98 × 26,938.95
  4. Step 4: Simplify right side
    64,405.16x = 2,602,517,542.82
  5. Step 5: Solve for x
    x = 2,602,517,542.82/64,405.16
  6. Step 6: Final answer
    x = 40,408.53

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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.