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Finding the Fourth Proportional to 17,757,740.40, 26,607,742.20 and 16,057,129.20

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Solution

The fourth proportional to 17,757,740.40, 26,607,742.20 and 16,057,129.20 is: 24,059,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757,740.40 : 26,607,742.20 = 16,057,129.20 : x
  2. Step 2: Convert to fraction form
    17,757,740.40/26,607,742.20 = 16,057,129.20/x
  3. Step 3: Cross multiply
    17,757,740.40x = 26,607,742.20 × 16,057,129.20
  4. Step 4: Simplify right side
    17,757,740.40x = 427,243,954,225,692.19
  5. Step 5: Solve for x
    x = 427,243,954,225,692.19/17,757,740.40
  6. Step 6: Final answer
    x = 24,059,590.05

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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.