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Finding the Fourth Proportional to 17,934,692.40, 26,902,038.60 and 16,549,009.20

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Solution

The fourth proportional to 17,934,692.40, 26,902,038.60 and 16,549,009.20 is: 24,823,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934,692.40 : 26,902,038.60 = 16,549,009.20 : x
  2. Step 2: Convert to fraction form
    17,934,692.40/26,902,038.60 = 16,549,009.20/x
  3. Step 3: Cross multiply
    17,934,692.40x = 26,902,038.60 × 16,549,009.20
  4. Step 4: Simplify right side
    17,934,692.40x = 445,202,084,290,155.12
  5. Step 5: Solve for x
    x = 445,202,084,290,155.12/17,934,692.40
  6. Step 6: Final answer
    x = 24,823,513.80

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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.