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Finding the Fourth Proportional to 34,778,845.80, 52,168,268.70 and 12,062,039.40

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Solution

The fourth proportional to 34,778,845.80, 52,168,268.70 and 12,062,039.40 is: 18,093,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,845.80 : 52,168,268.70 = 12,062,039.40 : x
  2. Step 2: Convert to fraction form
    34,778,845.80/52,168,268.70 = 12,062,039.40/x
  3. Step 3: Cross multiply
    34,778,845.80x = 52,168,268.70 × 12,062,039.40
  4. Step 4: Simplify right side
    34,778,845.80x = 629,255,712,489,186.88
  5. Step 5: Solve for x
    x = 629,255,712,489,186.88/34,778,845.80
  6. Step 6: Final answer
    x = 18,093,059.10

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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.