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Finding the Fourth Proportional to 19,100.10, 28,653.04 and 5,953.50

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Solution

The fourth proportional to 19,100.10, 28,653.04 and 5,953.50 is: 8,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.10 : 28,653.04 = 5,953.50 : x
  2. Step 2: Convert to fraction form
    19,100.10/28,653.04 = 5,953.50/x
  3. Step 3: Cross multiply
    19,100.10x = 28,653.04 × 5,953.50
  4. Step 4: Simplify right side
    19,100.10x = 170,585,881.08
  5. Step 5: Solve for x
    x = 170,585,881.08/19,100.10
  6. Step 6: Final answer
    x = 8,931.15

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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.