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Finding the Fourth Proportional to 35,117.80, 52,676.70 and 30,740.20

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Solution

The fourth proportional to 35,117.80, 52,676.70 and 30,740.20 is: 46,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.80 : 52,676.70 = 30,740.20 : x
  2. Step 2: Convert to fraction form
    35,117.80/52,676.70 = 30,740.20/x
  3. Step 3: Cross multiply
    35,117.80x = 52,676.70 × 30,740.20
  4. Step 4: Simplify right side
    35,117.80x = 1,619,292,293.34
  5. Step 5: Solve for x
    x = 1,619,292,293.34/35,117.80
  6. Step 6: Final answer
    x = 46,110.30

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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.