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Finding the Fourth Proportional to 1,088.49, 1,501.02 and 968.49

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Solution

The fourth proportional to 1,088.49, 1,501.02 and 968.49 is: 1,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.49 : 1,501.02 = 968.49 : x
  2. Step 2: Convert to fraction form
    1,088.49/1,501.02 = 968.49/x
  3. Step 3: Cross multiply
    1,088.49x = 1,501.02 × 968.49
  4. Step 4: Simplify right side
    1,088.49x = 1,453,722.86
  5. Step 5: Solve for x
    x = 1,453,722.86/1,088.49
  6. Step 6: Final answer
    x = 1,335.54

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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.