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Finding the Fourth Proportional to 11,030.70, 16,546.05 and 6,656.70

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Solution

The fourth proportional to 11,030.70, 16,546.05 and 6,656.70 is: 9,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.70 : 16,546.05 = 6,656.70 : x
  2. Step 2: Convert to fraction form
    11,030.70/16,546.05 = 6,656.70/x
  3. Step 3: Cross multiply
    11,030.70x = 16,546.05 × 6,656.70
  4. Step 4: Simplify right side
    11,030.70x = 110,142,091.04
  5. Step 5: Solve for x
    x = 110,142,091.04/11,030.70
  6. Step 6: Final answer
    x = 9,985.05

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1.5x scale

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.