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Finding the Fourth Proportional to 19,328.81, 28,994.98 and 6,001.88

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Solution

The fourth proportional to 19,328.81, 28,994.98 and 6,001.88 is: 9,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.81 : 28,994.98 = 6,001.88 : x
  2. Step 2: Convert to fraction form
    19,328.81/28,994.98 = 6,001.88/x
  3. Step 3: Cross multiply
    19,328.81x = 28,994.98 × 6,001.88
  4. Step 4: Simplify right side
    19,328.81x = 174,024,230.58
  5. Step 5: Solve for x
    x = 174,024,230.58/19,328.81
  6. Step 6: Final answer
    x = 9,003.36

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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.