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Finding the Fourth Proportional to 8,977.58, 13,472.13 and 4,358.06

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Solution

The fourth proportional to 8,977.58, 13,472.13 and 4,358.06 is: 6,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.58 : 13,472.13 = 4,358.06 : x
  2. Step 2: Convert to fraction form
    8,977.58/13,472.13 = 4,358.06/x
  3. Step 3: Cross multiply
    8,977.58x = 13,472.13 × 4,358.06
  4. Step 4: Simplify right side
    8,977.58x = 58,712,350.87
  5. Step 5: Solve for x
    x = 58,712,350.87/8,977.58
  6. Step 6: Final answer
    x = 6,539.89

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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.