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Finding the Fourth Proportional to 10,897.44, 15,050.88 and 7,354.50

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Solution

The fourth proportional to 10,897.44, 15,050.88 and 7,354.50 is: 10,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.44 : 15,050.88 = 7,354.50 : x
  2. Step 2: Convert to fraction form
    10,897.44/15,050.88 = 7,354.50/x
  3. Step 3: Cross multiply
    10,897.44x = 15,050.88 × 7,354.50
  4. Step 4: Simplify right side
    10,897.44x = 110,691,696.96
  5. Step 5: Solve for x
    x = 110,691,696.96/10,897.44
  6. Step 6: Final answer
    x = 10,157.59

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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.