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Finding the Fourth Proportional to 58,479.49, 87,727.88 and 16,921.09

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Solution

The fourth proportional to 58,479.49, 87,727.88 and 16,921.09 is: 25,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.49 : 87,727.88 = 16,921.09 : x
  2. Step 2: Convert to fraction form
    58,479.49/87,727.88 = 16,921.09/x
  3. Step 3: Cross multiply
    58,479.49x = 87,727.88 × 16,921.09
  4. Step 4: Simplify right side
    58,479.49x = 1,484,451,352.99
  5. Step 5: Solve for x
    x = 1,484,451,352.99/58,479.49
  6. Step 6: Final answer
    x = 25,384.14

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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.