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Finding the Fourth Proportional to 7,497.74, 10,347.54 and 4,354.94

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Solution

The fourth proportional to 7,497.74, 10,347.54 and 4,354.94 is: 6,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.74 : 10,347.54 = 4,354.94 : x
  2. Step 2: Convert to fraction form
    7,497.74/10,347.54 = 4,354.94/x
  3. Step 3: Cross multiply
    7,497.74x = 10,347.54 × 4,354.94
  4. Step 4: Simplify right side
    7,497.74x = 45,062,915.85
  5. Step 5: Solve for x
    x = 45,062,915.85/7,497.74
  6. Step 6: Final answer
    x = 6,010.20

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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.