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Finding the Fourth Proportional to 15,000.70, 22,501.05 and 14,028.70

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Solution

The fourth proportional to 15,000.70, 22,501.05 and 14,028.70 is: 21,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.70 : 22,501.05 = 14,028.70 : x
  2. Step 2: Convert to fraction form
    15,000.70/22,501.05 = 14,028.70/x
  3. Step 3: Cross multiply
    15,000.70x = 22,501.05 × 14,028.70
  4. Step 4: Simplify right side
    15,000.70x = 315,660,480.14
  5. Step 5: Solve for x
    x = 315,660,480.14/15,000.70
  6. Step 6: Final answer
    x = 21,043.05

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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.