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Finding the Fourth Proportional to 7,687,741.65, 10,609,304.88 and 4,250,204.11

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Solution

The fourth proportional to 7,687,741.65, 10,609,304.88 and 4,250,204.11 is: 5,865,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,741.65 : 10,609,304.88 = 4,250,204.11 : x
  2. Step 2: Convert to fraction form
    7,687,741.65/10,609,304.88 = 4,250,204.11/x
  3. Step 3: Cross multiply
    7,687,741.65x = 10,609,304.88 × 4,250,204.11
  4. Step 4: Simplify right side
    7,687,741.65x = 45,091,711,205,219.06
  5. Step 5: Solve for x
    x = 45,091,711,205,219.06/7,687,741.65
  6. Step 6: Final answer
    x = 5,865,404.08

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1.5x scale

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.