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Finding the Fourth Proportional to 5,564,808.72, 7,686,639.72 and 4,601,828.88

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Solution

The fourth proportional to 5,564,808.72, 7,686,639.72 and 4,601,828.88 is: 6,356,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564,808.72 : 7,686,639.72 = 4,601,828.88 : x
  2. Step 2: Convert to fraction form
    5,564,808.72/7,686,639.72 = 4,601,828.88/x
  3. Step 3: Cross multiply
    5,564,808.72x = 7,686,639.72 × 4,601,828.88
  4. Step 4: Simplify right side
    5,564,808.72x = 35,372,600,653,651.11
  5. Step 5: Solve for x
    x = 35,372,600,653,651.11/5,564,808.72
  6. Step 6: Final answer
    x = 6,356,480.96

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Why These Related Problems?

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