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Finding the Fourth Proportional to 30,868.52, 46,302.91 and 7,494.95

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Solution

The fourth proportional to 30,868.52, 46,302.91 and 7,494.95 is: 11,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868.52 : 46,302.91 = 7,494.95 : x
  2. Step 2: Convert to fraction form
    30,868.52/46,302.91 = 7,494.95/x
  3. Step 3: Cross multiply
    30,868.52x = 46,302.91 × 7,494.95
  4. Step 4: Simplify right side
    30,868.52x = 347,038,092.32
  5. Step 5: Solve for x
    x = 347,038,092.32/30,868.52
  6. Step 6: Final answer
    x = 11,242.46

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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.