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Finding the Fourth Proportional to 19,352, 26,706.07 and 10,856.02

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Solution

The fourth proportional to 19,352, 26,706.07 and 10,856.02 is: 14,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352 : 26,706.07 = 10,856.02 : x
  2. Step 2: Convert to fraction form
    19,352/26,706.07 = 10,856.02/x
  3. Step 3: Cross multiply
    19,352x = 26,706.07 × 10,856.02
  4. Step 4: Simplify right side
    19,352x = 289,921,496.51
  5. Step 5: Solve for x
    x = 289,921,496.51/19,352
  6. Step 6: Final answer
    x = 14,981.47

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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.