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Finding the Fourth Proportional to 15,216.70, 22,825.05 and 14,050.30

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Solution

The fourth proportional to 15,216.70, 22,825.05 and 14,050.30 is: 21,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.70 : 22,825.05 = 14,050.30 : x
  2. Step 2: Convert to fraction form
    15,216.70/22,825.05 = 14,050.30/x
  3. Step 3: Cross multiply
    15,216.70x = 22,825.05 × 14,050.30
  4. Step 4: Simplify right side
    15,216.70x = 320,698,800.02
  5. Step 5: Solve for x
    x = 320,698,800.02/15,216.70
  6. Step 6: Final answer
    x = 21,075.45

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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.