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Finding the Fourth Proportional to 25,998.90, 38,998.35 and 24,905.40

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Solution

The fourth proportional to 25,998.90, 38,998.35 and 24,905.40 is: 37,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.90 : 38,998.35 = 24,905.40 : x
  2. Step 2: Convert to fraction form
    25,998.90/38,998.35 = 24,905.40/x
  3. Step 3: Cross multiply
    25,998.90x = 38,998.35 × 24,905.40
  4. Step 4: Simplify right side
    25,998.90x = 971,269,506.09
  5. Step 5: Solve for x
    x = 971,269,506.09/25,998.90
  6. Step 6: Final answer
    x = 37,358.10

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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.