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Finding the Fourth Proportional to 40,360, 55,696.80 and 23,593

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Solution

The fourth proportional to 40,360, 55,696.80 and 23,593 is: 32,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,360 : 55,696.80 = 23,593 : x
  2. Step 2: Convert to fraction form
    40,360/55,696.80 = 23,593/x
  3. Step 3: Cross multiply
    40,360x = 55,696.80 × 23,593
  4. Step 4: Simplify right side
    40,360x = 1,314,054,602.40
  5. Step 5: Solve for x
    x = 1,314,054,602.40/40,360
  6. Step 6: Final answer
    x = 32,558.34

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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.