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Finding the Fourth Proportional to 61,406.25, 84,740.63 and 34,910.25

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Solution

The fourth proportional to 61,406.25, 84,740.63 and 34,910.25 is: 48,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,406.25 : 84,740.63 = 34,910.25 : x
  2. Step 2: Convert to fraction form
    61,406.25/84,740.63 = 34,910.25/x
  3. Step 3: Cross multiply
    61,406.25x = 84,740.63 × 34,910.25
  4. Step 4: Simplify right side
    61,406.25x = 2,958,316,403.91
  5. Step 5: Solve for x
    x = 2,958,316,403.91/61,406.25
  6. Step 6: Final answer
    x = 48,176.15

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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.