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Finding the Fourth Proportional to 64,792.84, 97,189.26 and 18,045.76

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Solution

The fourth proportional to 64,792.84, 97,189.26 and 18,045.76 is: 27,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792.84 : 97,189.26 = 18,045.76 : x
  2. Step 2: Convert to fraction form
    64,792.84/97,189.26 = 18,045.76/x
  3. Step 3: Cross multiply
    64,792.84x = 97,189.26 × 18,045.76
  4. Step 4: Simplify right side
    64,792.84x = 1,753,854,060.54
  5. Step 5: Solve for x
    x = 1,753,854,060.54/64,792.84
  6. Step 6: Final answer
    x = 27,068.64

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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.