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Finding the Fourth Proportional to 38,994.50, 58,497.83 and 12,693.02

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Solution

The fourth proportional to 38,994.50, 58,497.83 and 12,693.02 is: 19,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,994.50 : 58,497.83 = 12,693.02 : x
  2. Step 2: Convert to fraction form
    38,994.50/58,497.83 = 12,693.02/x
  3. Step 3: Cross multiply
    38,994.50x = 58,497.83 × 12,693.02
  4. Step 4: Simplify right side
    38,994.50x = 742,514,126.15
  5. Step 5: Solve for x
    x = 742,514,126.15/38,994.50
  6. Step 6: Final answer
    x = 19,041.51

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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.