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Finding the Fourth Proportional to 45,697.32, 68,448.78 and 26,957.16

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Solution

The fourth proportional to 45,697.32, 68,448.78 and 26,957.16 is: 40,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,697.32 : 68,448.78 = 26,957.16 : x
  2. Step 2: Convert to fraction form
    45,697.32/68,448.78 = 26,957.16/x
  3. Step 3: Cross multiply
    45,697.32x = 68,448.78 × 26,957.16
  4. Step 4: Simplify right side
    45,697.32x = 1,845,184,714.26
  5. Step 5: Solve for x
    x = 1,845,184,714.26/45,697.32
  6. Step 6: Final answer
    x = 40,378.40

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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.