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Finding the Fourth Proportional to 12,613.06, 18,904.02 and 11,056.06

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Solution

The fourth proportional to 12,613.06, 18,904.02 and 11,056.06 is: 16,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.06 : 18,904.02 = 11,056.06 : x
  2. Step 2: Convert to fraction form
    12,613.06/18,904.02 = 11,056.06/x
  3. Step 3: Cross multiply
    12,613.06x = 18,904.02 × 11,056.06
  4. Step 4: Simplify right side
    12,613.06x = 209,003,979.36
  5. Step 5: Solve for x
    x = 209,003,979.36/12,613.06
  6. Step 6: Final answer
    x = 16,570.44

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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.