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Finding the Fourth Proportional to 11,058.80, 16,000.70 and 11,058.80

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Solution

The fourth proportional to 11,058.80, 16,000.70 and 11,058.80 is: 16,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.80 : 16,000.70 = 11,058.80 : x
  2. Step 2: Convert to fraction form
    11,058.80/16,000.70 = 11,058.80/x
  3. Step 3: Cross multiply
    11,058.80x = 16,000.70 × 11,058.80
  4. Step 4: Simplify right side
    11,058.80x = 176,948,541.16
  5. Step 5: Solve for x
    x = 176,948,541.16/11,058.80
  6. Step 6: Final answer
    x = 16,000.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.