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Finding the Fourth Proportional to 34,589,723.60, 47,732,978.76 and 19,119,410.48

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Solution

The fourth proportional to 34,589,723.60, 47,732,978.76 and 19,119,410.48 is: 26,384,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,589,723.60 : 47,732,978.76 = 19,119,410.48 : x
  2. Step 2: Convert to fraction form
    34,589,723.60/47,732,978.76 = 19,119,410.48/x
  3. Step 3: Cross multiply
    34,589,723.60x = 47,732,978.76 × 19,119,410.48
  4. Step 4: Simplify right side
    34,589,723.60x = 912,626,414,345,561.38
  5. Step 5: Solve for x
    x = 912,626,414,345,561.38/34,589,723.60
  6. Step 6: Final answer
    x = 26,384,322.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.