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Finding the Fourth Proportional to 3,495.66, 5,243.54 and 898.59

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Solution

The fourth proportional to 3,495.66, 5,243.54 and 898.59 is: 1,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.66 : 5,243.54 = 898.59 : x
  2. Step 2: Convert to fraction form
    3,495.66/5,243.54 = 898.59/x
  3. Step 3: Cross multiply
    3,495.66x = 5,243.54 × 898.59
  4. Step 4: Simplify right side
    3,495.66x = 4,711,807.78
  5. Step 5: Solve for x
    x = 4,711,807.78/3,495.66
  6. Step 6: Final answer
    x = 1,347.90

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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.