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Finding the Fourth Proportional to 8,977.56, 13,467.56 and 3,133.40

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Solution

The fourth proportional to 8,977.56, 13,467.56 and 3,133.40 is: 4,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.56 : 13,467.56 = 3,133.40 : x
  2. Step 2: Convert to fraction form
    8,977.56/13,467.56 = 3,133.40/x
  3. Step 3: Cross multiply
    8,977.56x = 13,467.56 × 3,133.40
  4. Step 4: Simplify right side
    8,977.56x = 42,199,252.50
  5. Step 5: Solve for x
    x = 42,199,252.50/8,977.56
  6. Step 6: Final answer
    x = 4,700.53

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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.