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Finding the Fourth Proportional to 12,368.38, 17,060.88 and 7,330.99

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Solution

The fourth proportional to 12,368.38, 17,060.88 and 7,330.99 is: 10,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.38 : 17,060.88 = 7,330.99 : x
  2. Step 2: Convert to fraction form
    12,368.38/17,060.88 = 7,330.99/x
  3. Step 3: Cross multiply
    12,368.38x = 17,060.88 × 7,330.99
  4. Step 4: Simplify right side
    12,368.38x = 125,073,140.67
  5. Step 5: Solve for x
    x = 125,073,140.67/12,368.38
  6. Step 6: Final answer
    x = 10,112.33

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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.