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Finding the Fourth Proportional to 4,672.70, 6,492.56 and 4,623.95

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Solution

The fourth proportional to 4,672.70, 6,492.56 and 4,623.95 is: 6,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.70 : 6,492.56 = 4,623.95 : x
  2. Step 2: Convert to fraction form
    4,672.70/6,492.56 = 4,623.95/x
  3. Step 3: Cross multiply
    4,672.70x = 6,492.56 × 4,623.95
  4. Step 4: Simplify right side
    4,672.70x = 30,021,272.81
  5. Step 5: Solve for x
    x = 30,021,272.81/4,672.70
  6. Step 6: Final answer
    x = 6,424.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.