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Finding the Fourth Proportional to 58,801.56, 81,090.81 and 45,351.51

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Solution

The fourth proportional to 58,801.56, 81,090.81 and 45,351.51 is: 62,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,801.56 : 81,090.81 = 45,351.51 : x
  2. Step 2: Convert to fraction form
    58,801.56/81,090.81 = 45,351.51/x
  3. Step 3: Cross multiply
    58,801.56x = 81,090.81 × 45,351.51
  4. Step 4: Simplify right side
    58,801.56x = 3,677,590,680.62
  5. Step 5: Solve for x
    x = 3,677,590,680.62/58,801.56
  6. Step 6: Final answer
    x = 62,542.40

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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.