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Finding the Fourth Proportional to 18,574,898.59, 27,864,563.78 and 8,983,384.93

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Solution

The fourth proportional to 18,574,898.59, 27,864,563.78 and 8,983,384.93 is: 13,476,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,898.59 : 27,864,563.78 = 8,983,384.93 : x
  2. Step 2: Convert to fraction form
    18,574,898.59/27,864,563.78 = 8,983,384.93/x
  3. Step 3: Cross multiply
    18,574,898.59x = 27,864,563.78 × 8,983,384.93
  4. Step 4: Simplify right side
    18,574,898.59x = 250,318,102,342,275.84
  5. Step 5: Solve for x
    x = 250,318,102,342,275.84/18,574,898.59
  6. Step 6: Final answer
    x = 13,476,149.07

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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.