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Finding the Fourth Proportional to 11,468.77, 15,824.49 and 7,495.72

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Solution

The fourth proportional to 11,468.77, 15,824.49 and 7,495.72 is: 10,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.77 : 15,824.49 = 7,495.72 : x
  2. Step 2: Convert to fraction form
    11,468.77/15,824.49 = 7,495.72/x
  3. Step 3: Cross multiply
    11,468.77x = 15,824.49 × 7,495.72
  4. Step 4: Simplify right side
    11,468.77x = 118,615,946.18
  5. Step 5: Solve for x
    x = 118,615,946.18/11,468.77
  6. Step 6: Final answer
    x = 10,342.52

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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.