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Finding the Fourth Proportional to 30,058.88, 45,088.32 and 11,333.84

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Solution

The fourth proportional to 30,058.88, 45,088.32 and 11,333.84 is: 17,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.88 : 45,088.32 = 11,333.84 : x
  2. Step 2: Convert to fraction form
    30,058.88/45,088.32 = 11,333.84/x
  3. Step 3: Cross multiply
    30,058.88x = 45,088.32 × 11,333.84
  4. Step 4: Simplify right side
    30,058.88x = 511,023,804.75
  5. Step 5: Solve for x
    x = 511,023,804.75/30,058.88
  6. Step 6: Final answer
    x = 17,000.76

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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.