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Finding the Fourth Proportional to 14,079, 19,429.02 and 7,792.32

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Solution

The fourth proportional to 14,079, 19,429.02 and 7,792.32 is: 10,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079 : 19,429.02 = 7,792.32 : x
  2. Step 2: Convert to fraction form
    14,079/19,429.02 = 7,792.32/x
  3. Step 3: Cross multiply
    14,079x = 19,429.02 × 7,792.32
  4. Step 4: Simplify right side
    14,079x = 151,397,141.13
  5. Step 5: Solve for x
    x = 151,397,141.13/14,079
  6. Step 6: Final answer
    x = 10,753.40

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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.