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Finding the Fourth Proportional to 18,250.40, 25,602.40 and 18,250.40

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Solution

The fourth proportional to 18,250.40, 25,602.40 and 18,250.40 is: 25,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.40 : 25,602.40 = 18,250.40 : x
  2. Step 2: Convert to fraction form
    18,250.40/25,602.40 = 18,250.40/x
  3. Step 3: Cross multiply
    18,250.40x = 25,602.40 × 18,250.40
  4. Step 4: Simplify right side
    18,250.40x = 467,254,040.96
  5. Step 5: Solve for x
    x = 467,254,040.96/18,250.40
  6. Step 6: Final answer
    x = 25,602.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.