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Finding the Fourth Proportional to 17,497,722.60, 26,246,583.90 and 9,813,479.40

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Solution

The fourth proportional to 17,497,722.60, 26,246,583.90 and 9,813,479.40 is: 14,720,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,497,722.60 : 26,246,583.90 = 9,813,479.40 : x
  2. Step 2: Convert to fraction form
    17,497,722.60/26,246,583.90 = 9,813,479.40/x
  3. Step 3: Cross multiply
    17,497,722.60x = 26,246,583.90 × 9,813,479.40
  4. Step 4: Simplify right side
    17,497,722.60x = 257,570,310,423,021.66
  5. Step 5: Solve for x
    x = 257,570,310,423,021.66/17,497,722.60
  6. Step 6: Final answer
    x = 14,720,219.10

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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.