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Finding the Fourth Proportional to 27,146.17, 40,693.72 and 13,995.01

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Solution

The fourth proportional to 27,146.17, 40,693.72 and 13,995.01 is: 20,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.17 : 40,693.72 = 13,995.01 : x
  2. Step 2: Convert to fraction form
    27,146.17/40,693.72 = 13,995.01/x
  3. Step 3: Cross multiply
    27,146.17x = 40,693.72 × 13,995.01
  4. Step 4: Simplify right side
    27,146.17x = 569,509,018.34
  5. Step 5: Solve for x
    x = 569,509,018.34/27,146.17
  6. Step 6: Final answer
    x = 20,979.35

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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.