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Finding the Fourth Proportional to 64,186.59, 96,302.68 and 28,644.67

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Solution

The fourth proportional to 64,186.59, 96,302.68 and 28,644.67 is: 42,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,186.59 : 96,302.68 = 28,644.67 : x
  2. Step 2: Convert to fraction form
    64,186.59/96,302.68 = 28,644.67/x
  3. Step 3: Cross multiply
    64,186.59x = 96,302.68 × 28,644.67
  4. Step 4: Simplify right side
    64,186.59x = 2,758,558,488.72
  5. Step 5: Solve for x
    x = 2,758,558,488.72/64,186.59
  6. Step 6: Final answer
    x = 42,977.18

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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.