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Finding the Fourth Proportional to 21,901.59, 32,852.39 and 7,112.00

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Solution

The fourth proportional to 21,901.59, 32,852.39 and 7,112.00 is: 10,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901.59 : 32,852.39 = 7,112.00 : x
  2. Step 2: Convert to fraction form
    21,901.59/32,852.39 = 7,112.00/x
  3. Step 3: Cross multiply
    21,901.59x = 32,852.39 × 7,112.00
  4. Step 4: Simplify right side
    21,901.59x = 233,646,244.25
  5. Step 5: Solve for x
    x = 233,646,244.25/21,901.59
  6. Step 6: Final answer
    x = 10,668.00

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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.