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Finding the Fourth Proportional to 1,800.16, 2,484.15 and 1,003.48

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Solution

The fourth proportional to 1,800.16, 2,484.15 and 1,003.48 is: 1,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.16 : 2,484.15 = 1,003.48 : x
  2. Step 2: Convert to fraction form
    1,800.16/2,484.15 = 1,003.48/x
  3. Step 3: Cross multiply
    1,800.16x = 2,484.15 × 1,003.48
  4. Step 4: Simplify right side
    1,800.16x = 2,492,794.84
  5. Step 5: Solve for x
    x = 2,492,794.84/1,800.16
  6. Step 6: Final answer
    x = 1,384.76

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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.