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Finding the Fourth Proportional to 25,104.36, 37,646.90 and 8,459.90

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Solution

The fourth proportional to 25,104.36, 37,646.90 and 8,459.90 is: 12,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,104.36 : 37,646.90 = 8,459.90 : x
  2. Step 2: Convert to fraction form
    25,104.36/37,646.90 = 8,459.90/x
  3. Step 3: Cross multiply
    25,104.36x = 37,646.90 × 8,459.90
  4. Step 4: Simplify right side
    25,104.36x = 318,489,009.31
  5. Step 5: Solve for x
    x = 318,489,009.31/25,104.36
  6. Step 6: Final answer
    x = 12,686.60

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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.