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Finding the Fourth Proportional to 25,713.64, 35,666.60 and 25,031.22

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Solution

The fourth proportional to 25,713.64, 35,666.60 and 25,031.22 is: 34,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.64 : 35,666.60 = 25,031.22 : x
  2. Step 2: Convert to fraction form
    25,713.64/35,666.60 = 25,031.22/x
  3. Step 3: Cross multiply
    25,713.64x = 35,666.60 × 25,031.22
  4. Step 4: Simplify right side
    25,713.64x = 892,778,511.25
  5. Step 5: Solve for x
    x = 892,778,511.25/25,713.64
  6. Step 6: Final answer
    x = 34,720.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.