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Finding the Fourth Proportional to 29,159.64, 43,792.16 and 26,815.32

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Solution

The fourth proportional to 29,159.64, 43,792.16 and 26,815.32 is: 40,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.64 : 43,792.16 = 26,815.32 : x
  2. Step 2: Convert to fraction form
    29,159.64/43,792.16 = 26,815.32/x
  3. Step 3: Cross multiply
    29,159.64x = 43,792.16 × 26,815.32
  4. Step 4: Simplify right side
    29,159.64x = 1,174,300,649.81
  5. Step 5: Solve for x
    x = 1,174,300,649.81/29,159.64
  6. Step 6: Final answer
    x = 40,271.44

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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.