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Finding the Fourth Proportional to 12,733.71, 19,065.93 and 7,460.93

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Solution

The fourth proportional to 12,733.71, 19,065.93 and 7,460.93 is: 11,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.71 : 19,065.93 = 7,460.93 : x
  2. Step 2: Convert to fraction form
    12,733.71/19,065.93 = 7,460.93/x
  3. Step 3: Cross multiply
    12,733.71x = 19,065.93 × 7,460.93
  4. Step 4: Simplify right side
    12,733.71x = 142,249,473.79
  5. Step 5: Solve for x
    x = 142,249,473.79/12,733.71
  6. Step 6: Final answer
    x = 11,171.09

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1.5x scale

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.