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Finding the Fourth Proportional to 35,602.70, 53,403.57 and 10,642.95

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Solution

The fourth proportional to 35,602.70, 53,403.57 and 10,642.95 is: 15,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.70 : 53,403.57 = 10,642.95 : x
  2. Step 2: Convert to fraction form
    35,602.70/53,403.57 = 10,642.95/x
  3. Step 3: Cross multiply
    35,602.70x = 53,403.57 × 10,642.95
  4. Step 4: Simplify right side
    35,602.70x = 568,371,525.33
  5. Step 5: Solve for x
    x = 568,371,525.33/35,602.70
  6. Step 6: Final answer
    x = 15,964.28

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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.