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Finding the Fourth Proportional to 73,218.22, 101,041.23 and 39,684.22

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Solution

The fourth proportional to 73,218.22, 101,041.23 and 39,684.22 is: 54,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218.22 : 101,041.23 = 39,684.22 : x
  2. Step 2: Convert to fraction form
    73,218.22/101,041.23 = 39,684.22/x
  3. Step 3: Cross multiply
    73,218.22x = 101,041.23 × 39,684.22
  4. Step 4: Simplify right side
    73,218.22x = 4,009,742,400.39
  5. Step 5: Solve for x
    x = 4,009,742,400.39/73,218.22
  6. Step 6: Final answer
    x = 54,764.27

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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.