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Finding the Fourth Proportional to 1,470.60, 2,193.51 and 1,368.54

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Solution

The fourth proportional to 1,470.60, 2,193.51 and 1,368.54 is: 2,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.60 : 2,193.51 = 1,368.54 : x
  2. Step 2: Convert to fraction form
    1,470.60/2,193.51 = 1,368.54/x
  3. Step 3: Cross multiply
    1,470.60x = 2,193.51 × 1,368.54
  4. Step 4: Simplify right side
    1,470.60x = 3,001,906.18
  5. Step 5: Solve for x
    x = 3,001,906.18/1,470.60
  6. Step 6: Final answer
    x = 2,041.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.