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Finding the Fourth Proportional to 8,777.16, 13,165.74 and 2,933.64

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Solution

The fourth proportional to 8,777.16, 13,165.74 and 2,933.64 is: 4,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.16 : 13,165.74 = 2,933.64 : x
  2. Step 2: Convert to fraction form
    8,777.16/13,165.74 = 2,933.64/x
  3. Step 3: Cross multiply
    8,777.16x = 13,165.74 × 2,933.64
  4. Step 4: Simplify right side
    8,777.16x = 38,623,541.49
  5. Step 5: Solve for x
    x = 38,623,541.49/8,777.16
  6. Step 6: Final answer
    x = 4,400.46

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1.5x scale

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.