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Finding the Fourth Proportional to 17,909,626.80, 26,864,440.20 and 16,341,985.20

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Solution

The fourth proportional to 17,909,626.80, 26,864,440.20 and 16,341,985.20 is: 24,512,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909,626.80 : 26,864,440.20 = 16,341,985.20 : x
  2. Step 2: Convert to fraction form
    17,909,626.80/26,864,440.20 = 16,341,985.20/x
  3. Step 3: Cross multiply
    17,909,626.80x = 26,864,440.20 × 16,341,985.20
  4. Step 4: Simplify right side
    17,909,626.80x = 439,018,284,154,685
  5. Step 5: Solve for x
    x = 439,018,284,154,685/17,909,626.80
  6. Step 6: Final answer
    x = 24,512,977.80

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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.