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Finding the Fourth Proportional to 64,955.99, 97,355.50 and 31,626.11

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Solution

The fourth proportional to 64,955.99, 97,355.50 and 31,626.11 is: 47,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.99 : 97,355.50 = 31,626.11 : x
  2. Step 2: Convert to fraction form
    64,955.99/97,355.50 = 31,626.11/x
  3. Step 3: Cross multiply
    64,955.99x = 97,355.50 × 31,626.11
  4. Step 4: Simplify right side
    64,955.99x = 3,078,975,186.26
  5. Step 5: Solve for x
    x = 3,078,975,186.26/64,955.99
  6. Step 6: Final answer
    x = 47,400.95

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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.