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Finding the Fourth Proportional to 12,070.95, 16,659.44 and 7,035.40

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Solution

The fourth proportional to 12,070.95, 16,659.44 and 7,035.40 is: 9,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.95 : 16,659.44 = 7,035.40 : x
  2. Step 2: Convert to fraction form
    12,070.95/16,659.44 = 7,035.40/x
  3. Step 3: Cross multiply
    12,070.95x = 16,659.44 × 7,035.40
  4. Step 4: Simplify right side
    12,070.95x = 117,205,824.18
  5. Step 5: Solve for x
    x = 117,205,824.18/12,070.95
  6. Step 6: Final answer
    x = 9,709.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.