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Finding the Fourth Proportional to 1,970.66, 2,955.98 and 584.01

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Solution

The fourth proportional to 1,970.66, 2,955.98 and 584.01 is: 876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.66 : 2,955.98 = 584.01 : x
  2. Step 2: Convert to fraction form
    1,970.66/2,955.98 = 584.01/x
  3. Step 3: Cross multiply
    1,970.66x = 2,955.98 × 584.01
  4. Step 4: Simplify right side
    1,970.66x = 1,726,304.18
  5. Step 5: Solve for x
    x = 1,726,304.18/1,970.66
  6. Step 6: Final answer
    x = 876.00

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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.