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Finding the Fourth Proportional to 12,368.84, 17,064.80 and 7,059.84

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Solution

The fourth proportional to 12,368.84, 17,064.80 and 7,059.84 is: 9,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.84 : 17,064.80 = 7,059.84 : x
  2. Step 2: Convert to fraction form
    12,368.84/17,064.80 = 7,059.84/x
  3. Step 3: Cross multiply
    12,368.84x = 17,064.80 × 7,059.84
  4. Step 4: Simplify right side
    12,368.84x = 120,474,757.63
  5. Step 5: Solve for x
    x = 120,474,757.63/12,368.84
  6. Step 6: Final answer
    x = 9,740.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.