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Finding the Fourth Proportional to 1,231.04, 1,852.72 and 924.48

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Solution

The fourth proportional to 1,231.04, 1,852.72 and 924.48 is: 1,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.04 : 1,852.72 = 924.48 : x
  2. Step 2: Convert to fraction form
    1,231.04/1,852.72 = 924.48/x
  3. Step 3: Cross multiply
    1,231.04x = 1,852.72 × 924.48
  4. Step 4: Simplify right side
    1,231.04x = 1,712,802.59
  5. Step 5: Solve for x
    x = 1,712,802.59/1,231.04
  6. Step 6: Final answer
    x = 1,391.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.