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Finding the Fourth Proportional to 60,038.73, 89,959.44 and 20,574.30

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Solution

The fourth proportional to 60,038.73, 89,959.44 and 20,574.30 is: 30,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,038.73 : 89,959.44 = 20,574.30 : x
  2. Step 2: Convert to fraction form
    60,038.73/89,959.44 = 20,574.30/x
  3. Step 3: Cross multiply
    60,038.73x = 89,959.44 × 20,574.30
  4. Step 4: Simplify right side
    60,038.73x = 1,850,852,506.39
  5. Step 5: Solve for x
    x = 1,850,852,506.39/60,038.73
  6. Step 6: Final answer
    x = 30,827.64

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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.