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Finding the Fourth Proportional to 11,581.93, 16,003.61 and 9,070.93

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Solution

The fourth proportional to 11,581.93, 16,003.61 and 9,070.93 is: 12,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.93 : 16,003.61 = 9,070.93 : x
  2. Step 2: Convert to fraction form
    11,581.93/16,003.61 = 9,070.93/x
  3. Step 3: Cross multiply
    11,581.93x = 16,003.61 × 9,070.93
  4. Step 4: Simplify right side
    11,581.93x = 145,167,626.06
  5. Step 5: Solve for x
    x = 145,167,626.06/11,581.93
  6. Step 6: Final answer
    x = 12,533.98

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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.