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Finding the Fourth Proportional to 6,233.70, 8,613.47 and 4,985.07

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Solution

The fourth proportional to 6,233.70, 8,613.47 and 4,985.07 is: 6,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,233.70 : 8,613.47 = 4,985.07 : x
  2. Step 2: Convert to fraction form
    6,233.70/8,613.47 = 4,985.07/x
  3. Step 3: Cross multiply
    6,233.70x = 8,613.47 × 4,985.07
  4. Step 4: Simplify right side
    6,233.70x = 42,938,750.89
  5. Step 5: Solve for x
    x = 42,938,750.89/6,233.70
  6. Step 6: Final answer
    x = 6,888.16

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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.