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Finding the Fourth Proportional to 28,997,026.19, 39,978,749.43 and 23,750,707.22

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Solution

The fourth proportional to 28,997,026.19, 39,978,749.43 and 23,750,707.22 is: 32,745,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997,026.19 : 39,978,749.43 = 23,750,707.22 : x
  2. Step 2: Convert to fraction form
    28,997,026.19/39,978,749.43 = 23,750,707.22/x
  3. Step 3: Cross multiply
    28,997,026.19x = 39,978,749.43 × 23,750,707.22
  4. Step 4: Simplify right side
    28,997,026.19x = 949,523,572,533,778.12
  5. Step 5: Solve for x
    x = 949,523,572,533,778.12/28,997,026.19
  6. Step 6: Final answer
    x = 32,745,550.06

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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.