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Finding the Fourth Proportional to 5,293.74, 7,901.95 and 4,908.30

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Solution

The fourth proportional to 5,293.74, 7,901.95 and 4,908.30 is: 7,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.74 : 7,901.95 = 4,908.30 : x
  2. Step 2: Convert to fraction form
    5,293.74/7,901.95 = 4,908.30/x
  3. Step 3: Cross multiply
    5,293.74x = 7,901.95 × 4,908.30
  4. Step 4: Simplify right side
    5,293.74x = 38,785,141.19
  5. Step 5: Solve for x
    x = 38,785,141.19/5,293.74
  6. Step 6: Final answer
    x = 7,326.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.