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Finding the Fourth Proportional to 17,990,800.80, 24,827,892.06 and 9,842,038.80

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Solution

The fourth proportional to 17,990,800.80, 24,827,892.06 and 9,842,038.80 is: 13,582,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,800.80 : 24,827,892.06 = 9,842,038.80 : x
  2. Step 2: Convert to fraction form
    17,990,800.80/24,827,892.06 = 9,842,038.80/x
  3. Step 3: Cross multiply
    17,990,800.80x = 24,827,892.06 × 9,842,038.80
  4. Step 4: Simplify right side
    17,990,800.80x = 244,357,076,976,731.94
  5. Step 5: Solve for x
    x = 244,357,076,976,731.94/17,990,800.80
  6. Step 6: Final answer
    x = 13,582,334.64

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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.