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Finding the Fourth Proportional to 40,602.36, 56,031 and 22,697.28

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Solution

The fourth proportional to 40,602.36, 56,031 and 22,697.28 is: 31,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,602.36 : 56,031 = 22,697.28 : x
  2. Step 2: Convert to fraction form
    40,602.36/56,031 = 22,697.28/x
  3. Step 3: Cross multiply
    40,602.36x = 56,031 × 22,697.28
  4. Step 4: Simplify right side
    40,602.36x = 1,271,751,295.68
  5. Step 5: Solve for x
    x = 1,271,751,295.68/40,602.36
  6. Step 6: Final answer
    x = 31,322.10

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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.