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Finding the Fourth Proportional to 35,703.90, 53,504.54 and 20,088.54

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Solution

The fourth proportional to 35,703.90, 53,504.54 and 20,088.54 is: 30,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.90 : 53,504.54 = 20,088.54 : x
  2. Step 2: Convert to fraction form
    35,703.90/53,504.54 = 20,088.54/x
  3. Step 3: Cross multiply
    35,703.90x = 53,504.54 × 20,088.54
  4. Step 4: Simplify right side
    35,703.90x = 1,074,828,091.97
  5. Step 5: Solve for x
    x = 1,074,828,091.97/35,703.90
  6. Step 6: Final answer
    x = 30,103.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.