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Finding the Fourth Proportional to 74,347.94, 102,575.17 and 47,506.16

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Solution

The fourth proportional to 74,347.94, 102,575.17 and 47,506.16 is: 65,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347.94 : 102,575.17 = 47,506.16 : x
  2. Step 2: Convert to fraction form
    74,347.94/102,575.17 = 47,506.16/x
  3. Step 3: Cross multiply
    74,347.94x = 102,575.17 × 47,506.16
  4. Step 4: Simplify right side
    74,347.94x = 4,872,952,438.05
  5. Step 5: Solve for x
    x = 4,872,952,438.05/74,347.94
  6. Step 6: Final answer
    x = 65,542.53

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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.