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Finding the Fourth Proportional to 8,508,898.64, 11,742,355.06 and 4,641,437.00

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Solution

The fourth proportional to 8,508,898.64, 11,742,355.06 and 4,641,437.00 is: 6,405,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,898.64 : 11,742,355.06 = 4,641,437.00 : x
  2. Step 2: Convert to fraction form
    8,508,898.64/11,742,355.06 = 4,641,437.00/x
  3. Step 3: Cross multiply
    8,508,898.64x = 11,742,355.06 × 4,641,437.00
  4. Step 4: Simplify right side
    8,508,898.64x = 54,501,401,172,305.85
  5. Step 5: Solve for x
    x = 54,501,401,172,305.85/8,508,898.64
  6. Step 6: Final answer
    x = 6,405,223.93

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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.