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Finding the Fourth Proportional to 5,655,009.90, 8,482,842.90 and 1,611,793.65

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Solution

The fourth proportional to 5,655,009.90, 8,482,842.90 and 1,611,793.65 is: 2,417,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655,009.90 : 8,482,842.90 = 1,611,793.65 : x
  2. Step 2: Convert to fraction form
    5,655,009.90/8,482,842.90 = 1,611,793.65/x
  3. Step 3: Cross multiply
    5,655,009.90x = 8,482,842.90 × 1,611,793.65
  4. Step 4: Simplify right side
    5,655,009.90x = 13,672,592,320,167.58
  5. Step 5: Solve for x
    x = 13,672,592,320,167.58/5,655,009.90
  6. Step 6: Final answer
    x = 2,417,783.98

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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.