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Finding the Fourth Proportional to 1,088.12, 1,501.80 and 793.02

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Solution

The fourth proportional to 1,088.12, 1,501.80 and 793.02 is: 1,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.12 : 1,501.80 = 793.02 : x
  2. Step 2: Convert to fraction form
    1,088.12/1,501.80 = 793.02/x
  3. Step 3: Cross multiply
    1,088.12x = 1,501.80 × 793.02
  4. Step 4: Simplify right side
    1,088.12x = 1,190,957.44
  5. Step 5: Solve for x
    x = 1,190,957.44/1,088.12
  6. Step 6: Final answer
    x = 1,094.51

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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.