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Finding the Fourth Proportional to 31,297.53, 46,946.51 and 7,924.04

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Solution

The fourth proportional to 31,297.53, 46,946.51 and 7,924.04 is: 11,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.53 : 46,946.51 = 7,924.04 : x
  2. Step 2: Convert to fraction form
    31,297.53/46,946.51 = 7,924.04/x
  3. Step 3: Cross multiply
    31,297.53x = 46,946.51 × 7,924.04
  4. Step 4: Simplify right side
    31,297.53x = 372,005,748.75
  5. Step 5: Solve for x
    x = 372,005,748.75/31,297.53
  6. Step 6: Final answer
    x = 11,886.11

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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.