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Finding the Fourth Proportional to 4,989.33, 7,497.68 and 4,664.25

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Solution

The fourth proportional to 4,989.33, 7,497.68 and 4,664.25 is: 7,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.33 : 7,497.68 = 4,664.25 : x
  2. Step 2: Convert to fraction form
    4,989.33/7,497.68 = 4,664.25/x
  3. Step 3: Cross multiply
    4,989.33x = 7,497.68 × 4,664.25
  4. Step 4: Simplify right side
    4,989.33x = 34,971,030.62
  5. Step 5: Solve for x
    x = 34,971,030.62/4,989.33
  6. Step 6: Final answer
    x = 7,009.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.