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Finding the Fourth Proportional to 21,937.99, 32,907.71 and 6,355.75

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Solution

The fourth proportional to 21,937.99, 32,907.71 and 6,355.75 is: 9,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.99 : 32,907.71 = 6,355.75 : x
  2. Step 2: Convert to fraction form
    21,937.99/32,907.71 = 6,355.75/x
  3. Step 3: Cross multiply
    21,937.99x = 32,907.71 × 6,355.75
  4. Step 4: Simplify right side
    21,937.99x = 209,153,177.83
  5. Step 5: Solve for x
    x = 209,153,177.83/21,937.99
  6. Step 6: Final answer
    x = 9,533.84

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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.