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Finding the Fourth Proportional to 35,230.40, 52,840.80 and 10,606.40

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Solution

The fourth proportional to 35,230.40, 52,840.80 and 10,606.40 is: 15,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.40 : 52,840.80 = 10,606.40 : x
  2. Step 2: Convert to fraction form
    35,230.40/52,840.80 = 10,606.40/x
  3. Step 3: Cross multiply
    35,230.40x = 52,840.80 × 10,606.40
  4. Step 4: Simplify right side
    35,230.40x = 560,450,661.12
  5. Step 5: Solve for x
    x = 560,450,661.12/35,230.40
  6. Step 6: Final answer
    x = 15,908.15

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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.