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Finding the Fourth Proportional to 2,444.95, 3,669.33 and 985.06

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Solution

The fourth proportional to 2,444.95, 3,669.33 and 985.06 is: 1,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.95 : 3,669.33 = 985.06 : x
  2. Step 2: Convert to fraction form
    2,444.95/3,669.33 = 985.06/x
  3. Step 3: Cross multiply
    2,444.95x = 3,669.33 × 985.06
  4. Step 4: Simplify right side
    2,444.95x = 3,614,510.21
  5. Step 5: Solve for x
    x = 3,614,510.21/2,444.95
  6. Step 6: Final answer
    x = 1,478.36

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1.5x scale

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.