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Finding the Fourth Proportional to 1,848.63, 2,551.10 and 1,020.63

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Solution

The fourth proportional to 1,848.63, 2,551.10 and 1,020.63 is: 1,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.63 : 2,551.10 = 1,020.63 : x
  2. Step 2: Convert to fraction form
    1,848.63/2,551.10 = 1,020.63/x
  3. Step 3: Cross multiply
    1,848.63x = 2,551.10 × 1,020.63
  4. Step 4: Simplify right side
    1,848.63x = 2,603,729.19
  5. Step 5: Solve for x
    x = 2,603,729.19/1,848.63
  6. Step 6: Final answer
    x = 1,408.46

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1.5x scale

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.