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Finding the Fourth Proportional to 58,878.16, 81,251.08 and 32,020.09

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Solution

The fourth proportional to 58,878.16, 81,251.08 and 32,020.09 is: 44,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878.16 : 81,251.08 = 32,020.09 : x
  2. Step 2: Convert to fraction form
    58,878.16/81,251.08 = 32,020.09/x
  3. Step 3: Cross multiply
    58,878.16x = 81,251.08 × 32,020.09
  4. Step 4: Simplify right side
    58,878.16x = 2,601,666,915.71
  5. Step 5: Solve for x
    x = 2,601,666,915.71/58,878.16
  6. Step 6: Final answer
    x = 44,187.30

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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.