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Finding the Fourth Proportional to 30,373.38, 41,915.07 and 16,762.14

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Solution

The fourth proportional to 30,373.38, 41,915.07 and 16,762.14 is: 23,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.38 : 41,915.07 = 16,762.14 : x
  2. Step 2: Convert to fraction form
    30,373.38/41,915.07 = 16,762.14/x
  3. Step 3: Cross multiply
    30,373.38x = 41,915.07 × 16,762.14
  4. Step 4: Simplify right side
    30,373.38x = 702,586,271.45
  5. Step 5: Solve for x
    x = 702,586,271.45/30,373.38
  6. Step 6: Final answer
    x = 23,131.65

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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.