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Finding the Fourth Proportional to 11,580.52, 15,981.73 and 6,544.95

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Solution

The fourth proportional to 11,580.52, 15,981.73 and 6,544.95 is: 9,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.52 : 15,981.73 = 6,544.95 : x
  2. Step 2: Convert to fraction form
    11,580.52/15,981.73 = 6,544.95/x
  3. Step 3: Cross multiply
    11,580.52x = 15,981.73 × 6,544.95
  4. Step 4: Simplify right side
    11,580.52x = 104,599,623.76
  5. Step 5: Solve for x
    x = 104,599,623.76/11,580.52
  6. Step 6: Final answer
    x = 9,032.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.