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Finding the Fourth Proportional to 14,277.44, 19,702.44 and 7,904.30

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Solution

The fourth proportional to 14,277.44, 19,702.44 and 7,904.30 is: 10,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.44 : 19,702.44 = 7,904.30 : x
  2. Step 2: Convert to fraction form
    14,277.44/19,702.44 = 7,904.30/x
  3. Step 3: Cross multiply
    14,277.44x = 19,702.44 × 7,904.30
  4. Step 4: Simplify right side
    14,277.44x = 155,733,996.49
  5. Step 5: Solve for x
    x = 155,733,996.49/14,277.44
  6. Step 6: Final answer
    x = 10,907.70

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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.