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Finding the Fourth Proportional to 8,019,113.60, 12,014,673.60 and 6,899,369.60

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Solution

The fourth proportional to 8,019,113.60, 12,014,673.60 and 6,899,369.60 is: 10,337,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019,113.60 : 12,014,673.60 = 6,899,369.60 : x
  2. Step 2: Convert to fraction form
    8,019,113.60/12,014,673.60 = 6,899,369.60/x
  3. Step 3: Cross multiply
    8,019,113.60x = 12,014,673.60 × 6,899,369.60
  4. Step 4: Simplify right side
    8,019,113.60x = 82,893,673,789,762.55
  5. Step 5: Solve for x
    x = 82,893,673,789,762.55/8,019,113.60
  6. Step 6: Final answer
    x = 10,337,012.03

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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.