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Finding the Fourth Proportional to 14,275.91, 19,700.35 and 7,902.27

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Solution

The fourth proportional to 14,275.91, 19,700.35 and 7,902.27 is: 10,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.91 : 19,700.35 = 7,902.27 : x
  2. Step 2: Convert to fraction form
    14,275.91/19,700.35 = 7,902.27/x
  3. Step 3: Cross multiply
    14,275.91x = 19,700.35 × 7,902.27
  4. Step 4: Simplify right side
    14,275.91x = 155,677,484.79
  5. Step 5: Solve for x
    x = 155,677,484.79/14,275.91
  6. Step 6: Final answer
    x = 10,904.91

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