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Finding the Fourth Proportional to 35,432.49, 53,145.48 and 10,808.49

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Solution

The fourth proportional to 35,432.49, 53,145.48 and 10,808.49 is: 16,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,432.49 : 53,145.48 = 10,808.49 : x
  2. Step 2: Convert to fraction form
    35,432.49/53,145.48 = 10,808.49/x
  3. Step 3: Cross multiply
    35,432.49x = 53,145.48 × 10,808.49
  4. Step 4: Simplify right side
    35,432.49x = 574,422,389.13
  5. Step 5: Solve for x
    x = 574,422,389.13/35,432.49
  6. Step 6: Final answer
    x = 16,211.74

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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.