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Finding the Fourth Proportional to 9,695.64, 14,551.74 and 3,856.35

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Solution

The fourth proportional to 9,695.64, 14,551.74 and 3,856.35 is: 5,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.64 : 14,551.74 = 3,856.35 : x
  2. Step 2: Convert to fraction form
    9,695.64/14,551.74 = 3,856.35/x
  3. Step 3: Cross multiply
    9,695.64x = 14,551.74 × 3,856.35
  4. Step 4: Simplify right side
    9,695.64x = 56,116,602.55
  5. Step 5: Solve for x
    x = 56,116,602.55/9,695.64
  6. Step 6: Final answer
    x = 5,787.82

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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.