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Finding the Fourth Proportional to 7,338.79, 10,124.88 and 4,822.25

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Solution

The fourth proportional to 7,338.79, 10,124.88 and 4,822.25 is: 6,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.79 : 10,124.88 = 4,822.25 : x
  2. Step 2: Convert to fraction form
    7,338.79/10,124.88 = 4,822.25/x
  3. Step 3: Cross multiply
    7,338.79x = 10,124.88 × 4,822.25
  4. Step 4: Simplify right side
    7,338.79x = 48,824,702.58
  5. Step 5: Solve for x
    x = 48,824,702.58/7,338.79
  6. Step 6: Final answer
    x = 6,652.96

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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.