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Finding the Fourth Proportional to 47,866.72, 66,055.08 and 26,644.72

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Solution

The fourth proportional to 47,866.72, 66,055.08 and 26,644.72 is: 36,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,866.72 : 66,055.08 = 26,644.72 : x
  2. Step 2: Convert to fraction form
    47,866.72/66,055.08 = 26,644.72/x
  3. Step 3: Cross multiply
    47,866.72x = 66,055.08 × 26,644.72
  4. Step 4: Simplify right side
    47,866.72x = 1,760,019,111.18
  5. Step 5: Solve for x
    x = 1,760,019,111.18/47,866.72
  6. Step 6: Final answer
    x = 36,769.16

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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.