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Finding the Fourth Proportional to 40,752, 56,331.90 and 33,998.22

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Solution

The fourth proportional to 40,752, 56,331.90 and 33,998.22 is: 46,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752 : 56,331.90 = 33,998.22 : x
  2. Step 2: Convert to fraction form
    40,752/56,331.90 = 33,998.22/x
  3. Step 3: Cross multiply
    40,752x = 56,331.90 × 33,998.22
  4. Step 4: Simplify right side
    40,752x = 1,915,184,329.22
  5. Step 5: Solve for x
    x = 1,915,184,329.22/40,752
  6. Step 6: Final answer
    x = 46,996.08

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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.