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Finding the Fourth Proportional to 19,263,407.95, 28,895,637.87 and 5,616,224.51

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Solution

The fourth proportional to 19,263,407.95, 28,895,637.87 and 5,616,224.51 is: 8,424,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263,407.95 : 28,895,637.87 = 5,616,224.51 : x
  2. Step 2: Convert to fraction form
    19,263,407.95/28,895,637.87 = 5,616,224.51/x
  3. Step 3: Cross multiply
    19,263,407.95x = 28,895,637.87 × 5,616,224.51
  4. Step 4: Simplify right side
    19,263,407.95x = 162,284,389,493,100
  5. Step 5: Solve for x
    x = 162,284,389,493,100/19,263,407.95
  6. Step 6: Final answer
    x = 8,424,490.10

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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.