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Finding the Fourth Proportional to 72,466.82, 100,012.54 and 48,266.44

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Solution

The fourth proportional to 72,466.82, 100,012.54 and 48,266.44 is: 66,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,466.82 : 100,012.54 = 48,266.44 : x
  2. Step 2: Convert to fraction form
    72,466.82/100,012.54 = 48,266.44/x
  3. Step 3: Cross multiply
    72,466.82x = 100,012.54 × 48,266.44
  4. Step 4: Simplify right side
    72,466.82x = 4,827,249,261.16
  5. Step 5: Solve for x
    x = 4,827,249,261.16/72,466.82
  6. Step 6: Final answer
    x = 66,613.23

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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.