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Finding the Fourth Proportional to 4,804.68, 6,631.52 and 3,123.16

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Solution

The fourth proportional to 4,804.68, 6,631.52 and 3,123.16 is: 4,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.68 : 6,631.52 = 3,123.16 : x
  2. Step 2: Convert to fraction form
    4,804.68/6,631.52 = 3,123.16/x
  3. Step 3: Cross multiply
    4,804.68x = 6,631.52 × 3,123.16
  4. Step 4: Simplify right side
    4,804.68x = 20,711,298.00
  5. Step 5: Solve for x
    x = 20,711,298.00/4,804.68
  6. Step 6: Final answer
    x = 4,310.65

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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.