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Finding the Fourth Proportional to 53,550.51, 73,866.16 and 34,455.16

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Solution

The fourth proportional to 53,550.51, 73,866.16 and 34,455.16 is: 47,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,550.51 : 73,866.16 = 34,455.16 : x
  2. Step 2: Convert to fraction form
    53,550.51/73,866.16 = 34,455.16/x
  3. Step 3: Cross multiply
    53,550.51x = 73,866.16 × 34,455.16
  4. Step 4: Simplify right side
    53,550.51x = 2,545,070,361.39
  5. Step 5: Solve for x
    x = 2,545,070,361.39/53,550.51
  6. Step 6: Final answer
    x = 47,526.54

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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.