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Finding the Fourth Proportional to 8,477.76, 11,696.56 and 5,495.92

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Solution

The fourth proportional to 8,477.76, 11,696.56 and 5,495.92 is: 7,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.76 : 11,696.56 = 5,495.92 : x
  2. Step 2: Convert to fraction form
    8,477.76/11,696.56 = 5,495.92/x
  3. Step 3: Cross multiply
    8,477.76x = 11,696.56 × 5,495.92
  4. Step 4: Simplify right side
    8,477.76x = 64,283,358.04
  5. Step 5: Solve for x
    x = 64,283,358.04/8,477.76
  6. Step 6: Final answer
    x = 7,582.59

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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.