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Finding the Fourth Proportional to 59,725.95, 89,602.78 and 20,283.10

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Solution

The fourth proportional to 59,725.95, 89,602.78 and 20,283.10 is: 30,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,725.95 : 89,602.78 = 20,283.10 : x
  2. Step 2: Convert to fraction form
    59,725.95/89,602.78 = 20,283.10/x
  3. Step 3: Cross multiply
    59,725.95x = 89,602.78 × 20,283.10
  4. Step 4: Simplify right side
    59,725.95x = 1,817,422,147.02
  5. Step 5: Solve for x
    x = 1,817,422,147.02/59,725.95
  6. Step 6: Final answer
    x = 30,429.36

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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.