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Finding the Fourth Proportional to 21,937.74, 32,907.33 and 6,355.50

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Solution

The fourth proportional to 21,937.74, 32,907.33 and 6,355.50 is: 9,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.74 : 32,907.33 = 6,355.50 : x
  2. Step 2: Convert to fraction form
    21,937.74/32,907.33 = 6,355.50/x
  3. Step 3: Cross multiply
    21,937.74x = 32,907.33 × 6,355.50
  4. Step 4: Simplify right side
    21,937.74x = 209,142,535.82
  5. Step 5: Solve for x
    x = 209,142,535.82/21,937.74
  6. Step 6: Final answer
    x = 9,533.46

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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.