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Finding the Fourth Proportional to 1,153.73, 1,730.60 and 924.08

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Solution

The fourth proportional to 1,153.73, 1,730.60 and 924.08 is: 1,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.73 : 1,730.60 = 924.08 : x
  2. Step 2: Convert to fraction form
    1,153.73/1,730.60 = 924.08/x
  3. Step 3: Cross multiply
    1,153.73x = 1,730.60 × 924.08
  4. Step 4: Simplify right side
    1,153.73x = 1,599,208.23
  5. Step 5: Solve for x
    x = 1,599,208.23/1,153.73
  6. Step 6: Final answer
    x = 1,386.12

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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.