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Finding the Fourth Proportional to 9,412,912.05, 14,119,368.08 and 9,412,912.05

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Solution

The fourth proportional to 9,412,912.05, 14,119,368.08 and 9,412,912.05 is: 14,119,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412,912.05 : 14,119,368.08 = 9,412,912.05 : x
  2. Step 2: Convert to fraction form
    9,412,912.05/14,119,368.08 = 9,412,912.05/x
  3. Step 3: Cross multiply
    9,412,912.05x = 14,119,368.08 × 9,412,912.05
  4. Step 4: Simplify right side
    9,412,912.05x = 132,904,369,891,552.81
  5. Step 5: Solve for x
    x = 132,904,369,891,552.81/9,412,912.05
  6. Step 6: Final answer
    x = 14,119,368.08

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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.