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Finding the Fourth Proportional to 11,483.38, 15,848.28 and 7,291.63

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Solution

The fourth proportional to 11,483.38, 15,848.28 and 7,291.63 is: 10,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.38 : 15,848.28 = 7,291.63 : x
  2. Step 2: Convert to fraction form
    11,483.38/15,848.28 = 7,291.63/x
  3. Step 3: Cross multiply
    11,483.38x = 15,848.28 × 7,291.63
  4. Step 4: Simplify right side
    11,483.38x = 115,559,678.20
  5. Step 5: Solve for x
    x = 115,559,678.20/11,483.38
  6. Step 6: Final answer
    x = 10,063.22

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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.