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Finding the Fourth Proportional to 40,548, 55,955.63 and 22,643.27

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Solution

The fourth proportional to 40,548, 55,955.63 and 22,643.27 is: 31,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,548 : 55,955.63 = 22,643.27 : x
  2. Step 2: Convert to fraction form
    40,548/55,955.63 = 22,643.27/x
  3. Step 3: Cross multiply
    40,548x = 55,955.63 × 22,643.27
  4. Step 4: Simplify right side
    40,548x = 1,267,018,045.12
  5. Step 5: Solve for x
    x = 1,267,018,045.12/40,548
  6. Step 6: Final answer
    x = 31,247.36

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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.