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Finding the Fourth Proportional to 8,975,796.48, 12,386,588.40 and 5,306,035.68

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Solution

The fourth proportional to 8,975,796.48, 12,386,588.40 and 5,306,035.68 is: 7,322,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975,796.48 : 12,386,588.40 = 5,306,035.68 : x
  2. Step 2: Convert to fraction form
    8,975,796.48/12,386,588.40 = 5,306,035.68/x
  3. Step 3: Cross multiply
    8,975,796.48x = 12,386,588.40 × 5,306,035.68
  4. Step 4: Simplify right side
    8,975,796.48x = 65,723,680,003,874.11
  5. Step 5: Solve for x
    x = 65,723,680,003,874.11/8,975,796.48
  6. Step 6: Final answer
    x = 7,322,322.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.