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Finding the Fourth Proportional to 58,671.44, 80,966.76 and 33,520.40

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Solution

The fourth proportional to 58,671.44, 80,966.76 and 33,520.40 is: 46,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.44 : 80,966.76 = 33,520.40 : x
  2. Step 2: Convert to fraction form
    58,671.44/80,966.76 = 33,520.40/x
  3. Step 3: Cross multiply
    58,671.44x = 80,966.76 × 33,520.40
  4. Step 4: Simplify right side
    58,671.44x = 2,714,038,181.90
  5. Step 5: Solve for x
    x = 2,714,038,181.90/58,671.44
  6. Step 6: Final answer
    x = 46,258.25

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1.5x scale

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.