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Finding the Fourth Proportional to 17,783.66, 26,650.02 and 13,066.58

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Solution

The fourth proportional to 17,783.66, 26,650.02 and 13,066.58 is: 19,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.66 : 26,650.02 = 13,066.58 : x
  2. Step 2: Convert to fraction form
    17,783.66/26,650.02 = 13,066.58/x
  3. Step 3: Cross multiply
    17,783.66x = 26,650.02 × 13,066.58
  4. Step 4: Simplify right side
    17,783.66x = 348,224,618.33
  5. Step 5: Solve for x
    x = 348,224,618.33/17,783.66
  6. Step 6: Final answer
    x = 19,581.16

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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.