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Finding the Fourth Proportional to 30,803.70, 46,210.53 and 12,073.58

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Solution

The fourth proportional to 30,803.70, 46,210.53 and 12,073.58 is: 18,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.70 : 46,210.53 = 12,073.58 : x
  2. Step 2: Convert to fraction form
    30,803.70/46,210.53 = 12,073.58/x
  3. Step 3: Cross multiply
    30,803.70x = 46,210.53 × 12,073.58
  4. Step 4: Simplify right side
    30,803.70x = 557,926,299.74
  5. Step 5: Solve for x
    x = 557,926,299.74/30,803.70
  6. Step 6: Final answer
    x = 18,112.31

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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.