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Finding the Fourth Proportional to 25,607.57, 38,384.98 and 9,808.30

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Solution

The fourth proportional to 25,607.57, 38,384.98 and 9,808.30 is: 14,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.57 : 38,384.98 = 9,808.30 : x
  2. Step 2: Convert to fraction form
    25,607.57/38,384.98 = 9,808.30/x
  3. Step 3: Cross multiply
    25,607.57x = 38,384.98 × 9,808.30
  4. Step 4: Simplify right side
    25,607.57x = 376,491,399.33
  5. Step 5: Solve for x
    x = 376,491,399.33/25,607.57
  6. Step 6: Final answer
    x = 14,702.35

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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.