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Finding the Fourth Proportional to 64,736.76, 97,101.90 and 17,990.04

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Solution

The fourth proportional to 64,736.76, 97,101.90 and 17,990.04 is: 26,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,736.76 : 97,101.90 = 17,990.04 : x
  2. Step 2: Convert to fraction form
    64,736.76/97,101.90 = 17,990.04/x
  3. Step 3: Cross multiply
    64,736.76x = 97,101.90 × 17,990.04
  4. Step 4: Simplify right side
    64,736.76x = 1,746,867,065.08
  5. Step 5: Solve for x
    x = 1,746,867,065.08/64,736.76
  6. Step 6: Final answer
    x = 26,984.16

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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.