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Finding the Fourth Proportional to 25,271.80, 37,907.70 and 22,428.70

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Solution

The fourth proportional to 25,271.80, 37,907.70 and 22,428.70 is: 33,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.80 : 37,907.70 = 22,428.70 : x
  2. Step 2: Convert to fraction form
    25,271.80/37,907.70 = 22,428.70/x
  3. Step 3: Cross multiply
    25,271.80x = 37,907.70 × 22,428.70
  4. Step 4: Simplify right side
    25,271.80x = 850,220,430.99
  5. Step 5: Solve for x
    x = 850,220,430.99/25,271.80
  6. Step 6: Final answer
    x = 33,643.05

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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.