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Finding the Fourth Proportional to 8,796.00, 12,138.50 and 4,762.87

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Solution

The fourth proportional to 8,796.00, 12,138.50 and 4,762.87 is: 6,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.00 : 12,138.50 = 4,762.87 : x
  2. Step 2: Convert to fraction form
    8,796.00/12,138.50 = 4,762.87/x
  3. Step 3: Cross multiply
    8,796.00x = 12,138.50 × 4,762.87
  4. Step 4: Simplify right side
    8,796.00x = 57,814,058.51
  5. Step 5: Solve for x
    x = 57,814,058.51/8,796.00
  6. Step 6: Final answer
    x = 6,572.77

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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.