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Finding the Fourth Proportional to 8,998.60, 13,494.70 and 4,070.60

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Solution

The fourth proportional to 8,998.60, 13,494.70 and 4,070.60 is: 6,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.60 : 13,494.70 = 4,070.60 : x
  2. Step 2: Convert to fraction form
    8,998.60/13,494.70 = 4,070.60/x
  3. Step 3: Cross multiply
    8,998.60x = 13,494.70 × 4,070.60
  4. Step 4: Simplify right side
    8,998.60x = 54,931,525.82
  5. Step 5: Solve for x
    x = 54,931,525.82/8,998.60
  6. Step 6: Final answer
    x = 6,104.45

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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.