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Finding the Fourth Proportional to 27,297.32, 40,946.79 and 10,656.68

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Solution

The fourth proportional to 27,297.32, 40,946.79 and 10,656.68 is: 15,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297.32 : 40,946.79 = 10,656.68 : x
  2. Step 2: Convert to fraction form
    27,297.32/40,946.79 = 10,656.68/x
  3. Step 3: Cross multiply
    27,297.32x = 40,946.79 × 10,656.68
  4. Step 4: Simplify right side
    27,297.32x = 436,356,838.06
  5. Step 5: Solve for x
    x = 436,356,838.06/27,297.32
  6. Step 6: Final answer
    x = 15,985.34

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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.