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Finding the Fourth Proportional to 70,925.08, 106,376.10 and 33,485.08

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Solution

The fourth proportional to 70,925.08, 106,376.10 and 33,485.08 is: 50,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.08 : 106,376.10 = 33,485.08 : x
  2. Step 2: Convert to fraction form
    70,925.08/106,376.10 = 33,485.08/x
  3. Step 3: Cross multiply
    70,925.08x = 106,376.10 × 33,485.08
  4. Step 4: Simplify right side
    70,925.08x = 3,562,012,218.59
  5. Step 5: Solve for x
    x = 3,562,012,218.59/70,925.08
  6. Step 6: Final answer
    x = 50,222.18

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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.