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Finding the Fourth Proportional to 4,948.42, 7,421.94 and 1,250.42

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Solution

The fourth proportional to 4,948.42, 7,421.94 and 1,250.42 is: 1,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.42 : 7,421.94 = 1,250.42 : x
  2. Step 2: Convert to fraction form
    4,948.42/7,421.94 = 1,250.42/x
  3. Step 3: Cross multiply
    4,948.42x = 7,421.94 × 1,250.42
  4. Step 4: Simplify right side
    4,948.42x = 9,280,542.21
  5. Step 5: Solve for x
    x = 9,280,542.21/4,948.42
  6. Step 6: Final answer
    x = 1,875.46

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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.