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Finding the Fourth Proportional to 1,062.67, 1,592.54 and 802.45

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Solution

The fourth proportional to 1,062.67, 1,592.54 and 802.45 is: 1,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.67 : 1,592.54 = 802.45 : x
  2. Step 2: Convert to fraction form
    1,062.67/1,592.54 = 802.45/x
  3. Step 3: Cross multiply
    1,062.67x = 1,592.54 × 802.45
  4. Step 4: Simplify right side
    1,062.67x = 1,277,925.76
  5. Step 5: Solve for x
    x = 1,277,925.76/1,062.67
  6. Step 6: Final answer
    x = 1,202.57

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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.