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Finding the Fourth Proportional to 5,752.68, 8,587.02 and 4,936.20

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Solution

The fourth proportional to 5,752.68, 8,587.02 and 4,936.20 is: 7,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.68 : 8,587.02 = 4,936.20 : x
  2. Step 2: Convert to fraction form
    5,752.68/8,587.02 = 4,936.20/x
  3. Step 3: Cross multiply
    5,752.68x = 8,587.02 × 4,936.20
  4. Step 4: Simplify right side
    5,752.68x = 42,387,206.67
  5. Step 5: Solve for x
    x = 42,387,206.67/5,752.68
  6. Step 6: Final answer
    x = 7,368.26

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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.