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Finding the Fourth Proportional to 11,178.76, 16,760.04 and 4,602.64

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Solution

The fourth proportional to 11,178.76, 16,760.04 and 4,602.64 is: 6,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.76 : 16,760.04 = 4,602.64 : x
  2. Step 2: Convert to fraction form
    11,178.76/16,760.04 = 4,602.64/x
  3. Step 3: Cross multiply
    11,178.76x = 16,760.04 × 4,602.64
  4. Step 4: Simplify right side
    11,178.76x = 77,140,430.51
  5. Step 5: Solve for x
    x = 77,140,430.51/11,178.76
  6. Step 6: Final answer
    x = 6,900.62

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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.