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Finding the Fourth Proportional to 10,731.60, 14,810.04 and 6,015.60

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Solution

The fourth proportional to 10,731.60, 14,810.04 and 6,015.60 is: 8,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.60 : 14,810.04 = 6,015.60 : x
  2. Step 2: Convert to fraction form
    10,731.60/14,810.04 = 6,015.60/x
  3. Step 3: Cross multiply
    10,731.60x = 14,810.04 × 6,015.60
  4. Step 4: Simplify right side
    10,731.60x = 89,091,276.62
  5. Step 5: Solve for x
    x = 89,091,276.62/10,731.60
  6. Step 6: Final answer
    x = 8,301.77

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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.