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Finding the Fourth Proportional to 9,740.62, 14,611.95 and 4,805.51

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Solution

The fourth proportional to 9,740.62, 14,611.95 and 4,805.51 is: 7,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.62 : 14,611.95 = 4,805.51 : x
  2. Step 2: Convert to fraction form
    9,740.62/14,611.95 = 4,805.51/x
  3. Step 3: Cross multiply
    9,740.62x = 14,611.95 × 4,805.51
  4. Step 4: Simplify right side
    9,740.62x = 70,217,871.84
  5. Step 5: Solve for x
    x = 70,217,871.84/9,740.62
  6. Step 6: Final answer
    x = 7,208.77

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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.