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Finding the Fourth Proportional to 15,995,998.80, 23,975,335.80 and 6,406,635.60

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Solution

The fourth proportional to 15,995,998.80, 23,975,335.80 and 6,406,635.60 is: 9,602,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995,998.80 : 23,975,335.80 = 6,406,635.60 : x
  2. Step 2: Convert to fraction form
    15,995,998.80/23,975,335.80 = 6,406,635.60/x
  3. Step 3: Cross multiply
    15,995,998.80x = 23,975,335.80 × 6,406,635.60
  4. Step 4: Simplify right side
    15,995,998.80x = 153,601,239,858,234.47
  5. Step 5: Solve for x
    x = 153,601,239,858,234.47/15,995,998.80
  6. Step 6: Final answer
    x = 9,602,478.83

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1.5x scale

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.