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Finding the Fourth Proportional to 22,030.90, 33,048.22 and 7,040.16

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Solution

The fourth proportional to 22,030.90, 33,048.22 and 7,040.16 is: 10,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.90 : 33,048.22 = 7,040.16 : x
  2. Step 2: Convert to fraction form
    22,030.90/33,048.22 = 7,040.16/x
  3. Step 3: Cross multiply
    22,030.90x = 33,048.22 × 7,040.16
  4. Step 4: Simplify right side
    22,030.90x = 232,664,756.52
  5. Step 5: Solve for x
    x = 232,664,756.52/22,030.90
  6. Step 6: Final answer
    x = 10,560.84

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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.