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Finding the Fourth Proportional to 17,978,892.03, 24,810,871.05 and 9,830,130.03

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Solution

The fourth proportional to 17,978,892.03, 24,810,871.05 and 9,830,130.03 is: 13,565,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978,892.03 : 24,810,871.05 = 9,830,130.03 : x
  2. Step 2: Convert to fraction form
    17,978,892.03/24,810,871.05 = 9,830,130.03/x
  3. Step 3: Cross multiply
    17,978,892.03x = 24,810,871.05 × 9,830,130.03
  4. Step 4: Simplify right side
    17,978,892.03x = 243,894,088,579,062.62
  5. Step 5: Solve for x
    x = 243,894,088,579,062.62/17,978,892.03
  6. Step 6: Final answer
    x = 13,565,579.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.