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Finding the Fourth Proportional to 25,810.67, 35,621.42 and 14,483.22

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Solution

The fourth proportional to 25,810.67, 35,621.42 and 14,483.22 is: 19,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.67 : 35,621.42 = 14,483.22 : x
  2. Step 2: Convert to fraction form
    25,810.67/35,621.42 = 14,483.22/x
  3. Step 3: Cross multiply
    25,810.67x = 35,621.42 × 14,483.22
  4. Step 4: Simplify right side
    25,810.67x = 515,912,862.57
  5. Step 5: Solve for x
    x = 515,912,862.57/25,810.67
  6. Step 6: Final answer
    x = 19,988.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.