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Finding the Fourth Proportional to 954.37, 1,430.34 and 832.06

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Solution

The fourth proportional to 954.37, 1,430.34 and 832.06 is: 1,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.37 : 1,430.34 = 832.06 : x
  2. Step 2: Convert to fraction form
    954.37/1,430.34 = 832.06/x
  3. Step 3: Cross multiply
    954.37x = 1,430.34 × 832.06
  4. Step 4: Simplify right side
    954.37x = 1,190,128.70
  5. Step 5: Solve for x
    x = 1,190,128.70/954.37
  6. Step 6: Final answer
    x = 1,247.03

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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.