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Finding the Fourth Proportional to 8,973.36, 13,451.40 and 4,592.88

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Solution

The fourth proportional to 8,973.36, 13,451.40 and 4,592.88 is: 6,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.36 : 13,451.40 = 4,592.88 : x
  2. Step 2: Convert to fraction form
    8,973.36/13,451.40 = 4,592.88/x
  3. Step 3: Cross multiply
    8,973.36x = 13,451.40 × 4,592.88
  4. Step 4: Simplify right side
    8,973.36x = 61,780,666.03
  5. Step 5: Solve for x
    x = 61,780,666.03/8,973.36
  6. Step 6: Final answer
    x = 6,884.90

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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.