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Finding the Fourth Proportional to 58,703.03, 81,010.20 and 33,208.89

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Solution

The fourth proportional to 58,703.03, 81,010.20 and 33,208.89 is: 45,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,703.03 : 81,010.20 = 33,208.89 : x
  2. Step 2: Convert to fraction form
    58,703.03/81,010.20 = 33,208.89/x
  3. Step 3: Cross multiply
    58,703.03x = 81,010.20 × 33,208.89
  4. Step 4: Simplify right side
    58,703.03x = 2,690,258,548.02
  5. Step 5: Solve for x
    x = 2,690,258,548.02/58,703.03
  6. Step 6: Final answer
    x = 45,828.28

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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.