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Finding the Fourth Proportional to 1,654.72, 2,482.53 and 730.48

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Solution

The fourth proportional to 1,654.72, 2,482.53 and 730.48 is: 1,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.72 : 2,482.53 = 730.48 : x
  2. Step 2: Convert to fraction form
    1,654.72/2,482.53 = 730.48/x
  3. Step 3: Cross multiply
    1,654.72x = 2,482.53 × 730.48
  4. Step 4: Simplify right side
    1,654.72x = 1,813,438.51
  5. Step 5: Solve for x
    x = 1,813,438.51/1,654.72
  6. Step 6: Final answer
    x = 1,095.92

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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.