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Finding the Fourth Proportional to 29,867.32, 44,809.62 and 9,090.28

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Solution

The fourth proportional to 29,867.32, 44,809.62 and 9,090.28 is: 13,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,867.32 : 44,809.62 = 9,090.28 : x
  2. Step 2: Convert to fraction form
    29,867.32/44,809.62 = 9,090.28/x
  3. Step 3: Cross multiply
    29,867.32x = 44,809.62 × 9,090.28
  4. Step 4: Simplify right side
    29,867.32x = 407,331,992.49
  5. Step 5: Solve for x
    x = 407,331,992.49/29,867.32
  6. Step 6: Final answer
    x = 13,638.05

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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.