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Finding the Fourth Proportional to 11,602.50, 16,011.28 and 6,297.28

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Solution

The fourth proportional to 11,602.50, 16,011.28 and 6,297.28 is: 8,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.50 : 16,011.28 = 6,297.28 : x
  2. Step 2: Convert to fraction form
    11,602.50/16,011.28 = 6,297.28/x
  3. Step 3: Cross multiply
    11,602.50x = 16,011.28 × 6,297.28
  4. Step 4: Simplify right side
    11,602.50x = 100,827,513.32
  5. Step 5: Solve for x
    x = 100,827,513.32/11,602.50
  6. Step 6: Final answer
    x = 8,690.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.