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Finding the Fourth Proportional to 2,287.02, 3,430.53 and 901.01

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Solution

The fourth proportional to 2,287.02, 3,430.53 and 901.01 is: 1,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.02 : 3,430.53 = 901.01 : x
  2. Step 2: Convert to fraction form
    2,287.02/3,430.53 = 901.01/x
  3. Step 3: Cross multiply
    2,287.02x = 3,430.53 × 901.01
  4. Step 4: Simplify right side
    2,287.02x = 3,090,941.84
  5. Step 5: Solve for x
    x = 3,090,941.84/2,287.02
  6. Step 6: Final answer
    x = 1,351.52

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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.