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Finding the Fourth Proportional to 15,364.62, 23,054.15 and 7,965.07

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Solution

The fourth proportional to 15,364.62, 23,054.15 and 7,965.07 is: 11,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.62 : 23,054.15 = 7,965.07 : x
  2. Step 2: Convert to fraction form
    15,364.62/23,054.15 = 7,965.07/x
  3. Step 3: Cross multiply
    15,364.62x = 23,054.15 × 7,965.07
  4. Step 4: Simplify right side
    15,364.62x = 183,627,880.82
  5. Step 5: Solve for x
    x = 183,627,880.82/15,364.62
  6. Step 6: Final answer
    x = 11,951.35

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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.