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Finding the Fourth Proportional to 58,863.16, 81,230.55 and 43,823.08

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Solution

The fourth proportional to 58,863.16, 81,230.55 and 43,823.08 is: 60,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,863.16 : 81,230.55 = 43,823.08 : x
  2. Step 2: Convert to fraction form
    58,863.16/81,230.55 = 43,823.08/x
  3. Step 3: Cross multiply
    58,863.16x = 81,230.55 × 43,823.08
  4. Step 4: Simplify right side
    58,863.16x = 3,559,772,891.09
  5. Step 5: Solve for x
    x = 3,559,772,891.09/58,863.16
  6. Step 6: Final answer
    x = 60,475.40

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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.