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Finding the Fourth Proportional to 21,624.84, 32,437.53 and 8,483.40

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Solution

The fourth proportional to 21,624.84, 32,437.53 and 8,483.40 is: 12,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.84 : 32,437.53 = 8,483.40 : x
  2. Step 2: Convert to fraction form
    21,624.84/32,437.53 = 8,483.40/x
  3. Step 3: Cross multiply
    21,624.84x = 32,437.53 × 8,483.40
  4. Step 4: Simplify right side
    21,624.84x = 275,180,542.00
  5. Step 5: Solve for x
    x = 275,180,542.00/21,624.84
  6. Step 6: Final answer
    x = 12,725.21

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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.