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Finding the Fourth Proportional to 7,105,655.80, 9,970,313 and 7,105,655.80

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Solution

The fourth proportional to 7,105,655.80, 9,970,313 and 7,105,655.80 is: 9,970,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,655.80 : 9,970,313 = 7,105,655.80 : x
  2. Step 2: Convert to fraction form
    7,105,655.80/9,970,313 = 7,105,655.80/x
  3. Step 3: Cross multiply
    7,105,655.80x = 9,970,313 × 7,105,655.80
  4. Step 4: Simplify right side
    7,105,655.80x = 70,845,612,396,265.39
  5. Step 5: Solve for x
    x = 70,845,612,396,265.39/7,105,655.80
  6. Step 6: Final answer
    x = 9,970,313.00

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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.