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Finding the Fourth Proportional to 29,407.64, 44,118.06 and 9,685.40

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Solution

The fourth proportional to 29,407.64, 44,118.06 and 9,685.40 is: 14,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.64 : 44,118.06 = 9,685.40 : x
  2. Step 2: Convert to fraction form
    29,407.64/44,118.06 = 9,685.40/x
  3. Step 3: Cross multiply
    29,407.64x = 44,118.06 × 9,685.40
  4. Step 4: Simplify right side
    29,407.64x = 427,301,058.32
  5. Step 5: Solve for x
    x = 427,301,058.32/29,407.64
  6. Step 6: Final answer
    x = 14,530.27

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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.