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Finding the Fourth Proportional to 7,302.95, 10,079.01 and 4,787.19

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Solution

The fourth proportional to 7,302.95, 10,079.01 and 4,787.19 is: 6,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.95 : 10,079.01 = 4,787.19 : x
  2. Step 2: Convert to fraction form
    7,302.95/10,079.01 = 4,787.19/x
  3. Step 3: Cross multiply
    7,302.95x = 10,079.01 × 4,787.19
  4. Step 4: Simplify right side
    7,302.95x = 48,250,135.88
  5. Step 5: Solve for x
    x = 48,250,135.88/7,302.95
  6. Step 6: Final answer
    x = 6,606.94

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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.