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Finding the Fourth Proportional to 1,063.18, 1,466.95 and 670.06

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Solution

The fourth proportional to 1,063.18, 1,466.95 and 670.06 is: 924.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.18 : 1,466.95 = 670.06 : x
  2. Step 2: Convert to fraction form
    1,063.18/1,466.95 = 670.06/x
  3. Step 3: Cross multiply
    1,063.18x = 1,466.95 × 670.06
  4. Step 4: Simplify right side
    1,063.18x = 982,933.83
  5. Step 5: Solve for x
    x = 982,933.83/1,063.18
  6. Step 6: Final answer
    x = 924.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.