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Finding the Fourth Proportional to 10,862,548.80, 15,250,083.60 and 10,862,548.80

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Solution

The fourth proportional to 10,862,548.80, 15,250,083.60 and 10,862,548.80 is: 15,250,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,548.80 : 15,250,083.60 = 10,862,548.80 : x
  2. Step 2: Convert to fraction form
    10,862,548.80/15,250,083.60 = 10,862,548.80/x
  3. Step 3: Cross multiply
    10,862,548.80x = 15,250,083.60 × 10,862,548.80
  4. Step 4: Simplify right side
    10,862,548.80x = 165,654,777,309,079.69
  5. Step 5: Solve for x
    x = 165,654,777,309,079.69/10,862,548.80
  6. Step 6: Final answer
    x = 15,250,083.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.