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Finding the Fourth Proportional to 76,573.05, 105,673.08 and 46,363.89

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Solution

The fourth proportional to 76,573.05, 105,673.08 and 46,363.89 is: 63,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,573.05 : 105,673.08 = 46,363.89 : x
  2. Step 2: Convert to fraction form
    76,573.05/105,673.08 = 46,363.89/x
  3. Step 3: Cross multiply
    76,573.05x = 105,673.08 × 46,363.89
  4. Step 4: Simplify right side
    76,573.05x = 4,899,415,057.08
  5. Step 5: Solve for x
    x = 4,899,415,057.08/76,573.05
  6. Step 6: Final answer
    x = 63,983.54

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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.