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Finding the Fourth Proportional to 58,281.12, 80,427.84 and 32,787.51

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Solution

The fourth proportional to 58,281.12, 80,427.84 and 32,787.51 is: 45,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.12 : 80,427.84 = 32,787.51 : x
  2. Step 2: Convert to fraction form
    58,281.12/80,427.84 = 32,787.51/x
  3. Step 3: Cross multiply
    58,281.12x = 80,427.84 × 32,787.51
  4. Step 4: Simplify right side
    58,281.12x = 2,637,028,608.28
  5. Step 5: Solve for x
    x = 2,637,028,608.28/58,281.12
  6. Step 6: Final answer
    x = 45,246.70

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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.