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Finding the Fourth Proportional to 38,700.84, 58,050.06 and 10,998.84

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Solution

The fourth proportional to 38,700.84, 58,050.06 and 10,998.84 is: 16,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.84 : 58,050.06 = 10,998.84 : x
  2. Step 2: Convert to fraction form
    38,700.84/58,050.06 = 10,998.84/x
  3. Step 3: Cross multiply
    38,700.84x = 58,050.06 × 10,998.84
  4. Step 4: Simplify right side
    38,700.84x = 638,483,321.93
  5. Step 5: Solve for x
    x = 638,483,321.93/38,700.84
  6. Step 6: Final answer
    x = 16,497.92

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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.