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Finding the Fourth Proportional to 7,804,916.09, 10,763,667.08 and 6,702,001.05

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Solution

The fourth proportional to 7,804,916.09, 10,763,667.08 and 6,702,001.05 is: 9,242,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804,916.09 : 10,763,667.08 = 6,702,001.05 : x
  2. Step 2: Convert to fraction form
    7,804,916.09/10,763,667.08 = 6,702,001.05/x
  3. Step 3: Cross multiply
    7,804,916.09x = 10,763,667.08 × 6,702,001.05
  4. Step 4: Simplify right side
    7,804,916.09x = 72,138,108,103,996.69
  5. Step 5: Solve for x
    x = 72,138,108,103,996.69/7,804,916.09
  6. Step 6: Final answer
    x = 9,242,650.05

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1.5x scale

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.