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Finding the Fourth Proportional to 59,649.92, 89,485.76 and 19,671.20

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Solution

The fourth proportional to 59,649.92, 89,485.76 and 19,671.20 is: 29,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,649.92 : 89,485.76 = 19,671.20 : x
  2. Step 2: Convert to fraction form
    59,649.92/89,485.76 = 19,671.20/x
  3. Step 3: Cross multiply
    59,649.92x = 89,485.76 × 19,671.20
  4. Step 4: Simplify right side
    59,649.92x = 1,760,292,282.11
  5. Step 5: Solve for x
    x = 1,760,292,282.11/59,649.92
  6. Step 6: Final answer
    x = 29,510.39

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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.