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Finding the Fourth Proportional to 15,239.90, 22,852.98 and 6,919.58

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Solution

The fourth proportional to 15,239.90, 22,852.98 and 6,919.58 is: 10,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.90 : 22,852.98 = 6,919.58 : x
  2. Step 2: Convert to fraction form
    15,239.90/22,852.98 = 6,919.58/x
  3. Step 3: Cross multiply
    15,239.90x = 22,852.98 × 6,919.58
  4. Step 4: Simplify right side
    15,239.90x = 158,133,023.35
  5. Step 5: Solve for x
    x = 158,133,023.35/15,239.90
  6. Step 6: Final answer
    x = 10,376.25

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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.