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Finding the Fourth Proportional to 25,813.70, 38,713.09 and 7,094.35

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Solution

The fourth proportional to 25,813.70, 38,713.09 and 7,094.35 is: 10,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.70 : 38,713.09 = 7,094.35 : x
  2. Step 2: Convert to fraction form
    25,813.70/38,713.09 = 7,094.35/x
  3. Step 3: Cross multiply
    25,813.70x = 38,713.09 × 7,094.35
  4. Step 4: Simplify right side
    25,813.70x = 274,643,981.00
  5. Step 5: Solve for x
    x = 274,643,981.00/25,813.70
  6. Step 6: Final answer
    x = 10,639.47

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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.