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Finding the Fourth Proportional to 4,875.53, 6,728.22 and 2,637.40

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Solution

The fourth proportional to 4,875.53, 6,728.22 and 2,637.40 is: 3,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.53 : 6,728.22 = 2,637.40 : x
  2. Step 2: Convert to fraction form
    4,875.53/6,728.22 = 2,637.40/x
  3. Step 3: Cross multiply
    4,875.53x = 6,728.22 × 2,637.40
  4. Step 4: Simplify right side
    4,875.53x = 17,744,990.61
  5. Step 5: Solve for x
    x = 17,744,990.61/4,875.53
  6. Step 6: Final answer
    x = 3,639.61

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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.