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Finding the Fourth Proportional to 6,114,602.60, 9,171,903.90 and 4,701,789.80

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Solution

The fourth proportional to 6,114,602.60, 9,171,903.90 and 4,701,789.80 is: 7,052,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114,602.60 : 9,171,903.90 = 4,701,789.80 : x
  2. Step 2: Convert to fraction form
    6,114,602.60/9,171,903.90 = 4,701,789.80/x
  3. Step 3: Cross multiply
    6,114,602.60x = 9,171,903.90 × 4,701,789.80
  4. Step 4: Simplify right side
    6,114,602.60x = 43,124,364,203,600.22
  5. Step 5: Solve for x
    x = 43,124,364,203,600.22/6,114,602.60
  6. Step 6: Final answer
    x = 7,052,684.70

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Similar ratio
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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.