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Finding the Fourth Proportional to 8,700.51, 13,050.11 and 2,777.16

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Solution

The fourth proportional to 8,700.51, 13,050.11 and 2,777.16 is: 4,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.51 : 13,050.11 = 2,777.16 : x
  2. Step 2: Convert to fraction form
    8,700.51/13,050.11 = 2,777.16/x
  3. Step 3: Cross multiply
    8,700.51x = 13,050.11 × 2,777.16
  4. Step 4: Simplify right side
    8,700.51x = 36,242,243.49
  5. Step 5: Solve for x
    x = 36,242,243.49/8,700.51
  6. Step 6: Final answer
    x = 4,165.53

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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.