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Finding the Fourth Proportional to 14,580.99, 21,871.56 and 8,003.58

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Solution

The fourth proportional to 14,580.99, 21,871.56 and 8,003.58 is: 12,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.99 : 21,871.56 = 8,003.58 : x
  2. Step 2: Convert to fraction form
    14,580.99/21,871.56 = 8,003.58/x
  3. Step 3: Cross multiply
    14,580.99x = 21,871.56 × 8,003.58
  4. Step 4: Simplify right side
    14,580.99x = 175,050,780.18
  5. Step 5: Solve for x
    x = 175,050,780.18/14,580.99
  6. Step 6: Final answer
    x = 12,005.41

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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.