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Finding the Fourth Proportional to 12,068.22, 16,656.08 and 7,035.39

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Solution

The fourth proportional to 12,068.22, 16,656.08 and 7,035.39 is: 9,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.22 : 16,656.08 = 7,035.39 : x
  2. Step 2: Convert to fraction form
    12,068.22/16,656.08 = 7,035.39/x
  3. Step 3: Cross multiply
    12,068.22x = 16,656.08 × 7,035.39
  4. Step 4: Simplify right side
    12,068.22x = 117,182,023.07
  5. Step 5: Solve for x
    x = 117,182,023.07/12,068.22
  6. Step 6: Final answer
    x = 9,709.96

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1.5x scale

Why These Related Problems?

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