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Finding the Fourth Proportional to 20,045.95, 30,073.07 and 6,005.41

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Solution

The fourth proportional to 20,045.95, 30,073.07 and 6,005.41 is: 9,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.95 : 30,073.07 = 6,005.41 : x
  2. Step 2: Convert to fraction form
    20,045.95/30,073.07 = 6,005.41/x
  3. Step 3: Cross multiply
    20,045.95x = 30,073.07 × 6,005.41
  4. Step 4: Simplify right side
    20,045.95x = 180,601,055.14
  5. Step 5: Solve for x
    x = 180,601,055.14/20,045.95
  6. Step 6: Final answer
    x = 9,009.35

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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.