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Finding the Fourth Proportional to 25,870.60, 36,175.10 and 25,870.60

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Solution

The fourth proportional to 25,870.60, 36,175.10 and 25,870.60 is: 36,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.60 : 36,175.10 = 25,870.60 : x
  2. Step 2: Convert to fraction form
    25,870.60/36,175.10 = 25,870.60/x
  3. Step 3: Cross multiply
    25,870.60x = 36,175.10 × 25,870.60
  4. Step 4: Simplify right side
    25,870.60x = 935,871,542.06
  5. Step 5: Solve for x
    x = 935,871,542.06/25,870.60
  6. Step 6: Final answer
    x = 36,175.10

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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.