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Finding the Fourth Proportional to 5,912,999.70, 8,869,499.55 and 1,653,161.10

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Solution

The fourth proportional to 5,912,999.70, 8,869,499.55 and 1,653,161.10 is: 2,479,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,999.70 : 8,869,499.55 = 1,653,161.10 : x
  2. Step 2: Convert to fraction form
    5,912,999.70/8,869,499.55 = 1,653,161.10/x
  3. Step 3: Cross multiply
    5,912,999.70x = 8,869,499.55 × 1,653,161.10
  4. Step 4: Simplify right side
    5,912,999.70x = 14,662,711,632,527.51
  5. Step 5: Solve for x
    x = 14,662,711,632,527.51/5,912,999.70
  6. Step 6: Final answer
    x = 2,479,741.65

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Similar ratio
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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.