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Finding the Fourth Proportional to 82,410, 113,725.80 and 44,684.24

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Solution

The fourth proportional to 82,410, 113,725.80 and 44,684.24 is: 61,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,410 : 113,725.80 = 44,684.24 : x
  2. Step 2: Convert to fraction form
    82,410/113,725.80 = 44,684.24/x
  3. Step 3: Cross multiply
    82,410x = 113,725.80 × 44,684.24
  4. Step 4: Simplify right side
    82,410x = 5,081,750,941.39
  5. Step 5: Solve for x
    x = 5,081,750,941.39/82,410
  6. Step 6: Final answer
    x = 61,664.25

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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.