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Finding the Fourth Proportional to 25,248.60, 37,872.90 and 8,603.10

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Solution

The fourth proportional to 25,248.60, 37,872.90 and 8,603.10 is: 12,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,248.60 : 37,872.90 = 8,603.10 : x
  2. Step 2: Convert to fraction form
    25,248.60/37,872.90 = 8,603.10/x
  3. Step 3: Cross multiply
    25,248.60x = 37,872.90 × 8,603.10
  4. Step 4: Simplify right side
    25,248.60x = 325,824,345.99
  5. Step 5: Solve for x
    x = 325,824,345.99/25,248.60
  6. Step 6: Final answer
    x = 12,904.65

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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.