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Finding the Fourth Proportional to 21,483.52, 32,228.28 and 6,693.52

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Solution

The fourth proportional to 21,483.52, 32,228.28 and 6,693.52 is: 10,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.52 : 32,228.28 = 6,693.52 : x
  2. Step 2: Convert to fraction form
    21,483.52/32,228.28 = 6,693.52/x
  3. Step 3: Cross multiply
    21,483.52x = 32,228.28 × 6,693.52
  4. Step 4: Simplify right side
    21,483.52x = 215,720,636.75
  5. Step 5: Solve for x
    x = 215,720,636.75/21,483.52
  6. Step 6: Final answer
    x = 10,041.21

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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.