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Finding the Fourth Proportional to 45,779.22, 68,602.59 and 22,379.22

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Solution

The fourth proportional to 45,779.22, 68,602.59 and 22,379.22 is: 33,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.22 : 68,602.59 = 22,379.22 : x
  2. Step 2: Convert to fraction form
    45,779.22/68,602.59 = 22,379.22/x
  3. Step 3: Cross multiply
    45,779.22x = 68,602.59 × 22,379.22
  4. Step 4: Simplify right side
    45,779.22x = 1,535,272,454.18
  5. Step 5: Solve for x
    x = 1,535,272,454.18/45,779.22
  6. Step 6: Final answer
    x = 33,536.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.