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Finding the Fourth Proportional to 75,323.71, 103,947.93 and 43,495.39

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Solution

The fourth proportional to 75,323.71, 103,947.93 and 43,495.39 is: 60,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.71 : 103,947.93 = 43,495.39 : x
  2. Step 2: Convert to fraction form
    75,323.71/103,947.93 = 43,495.39/x
  3. Step 3: Cross multiply
    75,323.71x = 103,947.93 × 43,495.39
  4. Step 4: Simplify right side
    75,323.71x = 4,521,255,017.83
  5. Step 5: Solve for x
    x = 4,521,255,017.83/75,323.71
  6. Step 6: Final answer
    x = 60,024.33

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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.