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Finding the Fourth Proportional to 64,384.99, 88,849.68 and 35,704.78

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Solution

The fourth proportional to 64,384.99, 88,849.68 and 35,704.78 is: 49,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,384.99 : 88,849.68 = 35,704.78 : x
  2. Step 2: Convert to fraction form
    64,384.99/88,849.68 = 35,704.78/x
  3. Step 3: Cross multiply
    64,384.99x = 88,849.68 × 35,704.78
  4. Step 4: Simplify right side
    64,384.99x = 3,172,358,277.47
  5. Step 5: Solve for x
    x = 3,172,358,277.47/64,384.99
  6. Step 6: Final answer
    x = 49,271.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.