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Finding the Fourth Proportional to 28,602.71, 42,911.54 and 10,833.49

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Solution

The fourth proportional to 28,602.71, 42,911.54 and 10,833.49 is: 16,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.71 : 42,911.54 = 10,833.49 : x
  2. Step 2: Convert to fraction form
    28,602.71/42,911.54 = 10,833.49/x
  3. Step 3: Cross multiply
    28,602.71x = 42,911.54 × 10,833.49
  4. Step 4: Simplify right side
    28,602.71x = 464,881,578.03
  5. Step 5: Solve for x
    x = 464,881,578.03/28,602.71
  6. Step 6: Final answer
    x = 16,253.06

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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.