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Finding the Fourth Proportional to 64,767.84, 97,151.94 and 18,020.76

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Solution

The fourth proportional to 64,767.84, 97,151.94 and 18,020.76 is: 27,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,767.84 : 97,151.94 = 18,020.76 : x
  2. Step 2: Convert to fraction form
    64,767.84/97,151.94 = 18,020.76/x
  3. Step 3: Cross multiply
    64,767.84x = 97,151.94 × 18,020.76
  4. Step 4: Simplify right side
    64,767.84x = 1,750,751,794.27
  5. Step 5: Solve for x
    x = 1,750,751,794.27/64,767.84
  6. Step 6: Final answer
    x = 27,031.19

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1.5x scale

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.