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Finding the Fourth Proportional to 25,835.88, 38,750.94 and 7,117.32

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Solution

The fourth proportional to 25,835.88, 38,750.94 and 7,117.32 is: 10,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.88 : 38,750.94 = 7,117.32 : x
  2. Step 2: Convert to fraction form
    25,835.88/38,750.94 = 7,117.32/x
  3. Step 3: Cross multiply
    25,835.88x = 38,750.94 × 7,117.32
  4. Step 4: Simplify right side
    25,835.88x = 275,802,840.28
  5. Step 5: Solve for x
    x = 275,802,840.28/25,835.88
  6. Step 6: Final answer
    x = 10,675.19

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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.