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Finding the Fourth Proportional to 35,765.19, 53,648.19 and 10,805.45

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Solution

The fourth proportional to 35,765.19, 53,648.19 and 10,805.45 is: 16,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.19 : 53,648.19 = 10,805.45 : x
  2. Step 2: Convert to fraction form
    35,765.19/53,648.19 = 10,805.45/x
  3. Step 3: Cross multiply
    35,765.19x = 53,648.19 × 10,805.45
  4. Step 4: Simplify right side
    35,765.19x = 579,692,566.39
  5. Step 5: Solve for x
    x = 579,692,566.39/35,765.19
  6. Step 6: Final answer
    x = 16,208.29

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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.