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Finding the Fourth Proportional to 4,752.84, 6,542.80 and 4,085.80

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Solution

The fourth proportional to 4,752.84, 6,542.80 and 4,085.80 is: 5,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.84 : 6,542.80 = 4,085.80 : x
  2. Step 2: Convert to fraction form
    4,752.84/6,542.80 = 4,085.80/x
  3. Step 3: Cross multiply
    4,752.84x = 6,542.80 × 4,085.80
  4. Step 4: Simplify right side
    4,752.84x = 26,732,572.24
  5. Step 5: Solve for x
    x = 26,732,572.24/4,752.84
  6. Step 6: Final answer
    x = 5,624.55

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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.