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Finding the Fourth Proportional to 53,357.70, 73,643.81 and 35,176.51

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Solution

The fourth proportional to 53,357.70, 73,643.81 and 35,176.51 is: 48,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,357.70 : 73,643.81 = 35,176.51 : x
  2. Step 2: Convert to fraction form
    53,357.70/73,643.81 = 35,176.51/x
  3. Step 3: Cross multiply
    53,357.70x = 73,643.81 × 35,176.51
  4. Step 4: Simplify right side
    53,357.70x = 2,590,532,218.90
  5. Step 5: Solve for x
    x = 2,590,532,218.90/53,357.70
  6. Step 6: Final answer
    x = 48,550.30

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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.