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Finding the Fourth Proportional to 11,569.08, 15,959.34 and 8,035.32

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Solution

The fourth proportional to 11,569.08, 15,959.34 and 8,035.32 is: 11,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.08 : 15,959.34 = 8,035.32 : x
  2. Step 2: Convert to fraction form
    11,569.08/15,959.34 = 8,035.32/x
  3. Step 3: Cross multiply
    11,569.08x = 15,959.34 × 8,035.32
  4. Step 4: Simplify right side
    11,569.08x = 128,238,403.89
  5. Step 5: Solve for x
    x = 128,238,403.89/11,569.08
  6. Step 6: Final answer
    x = 11,084.58

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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.