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Finding the Fourth Proportional to 29,559.48, 40,796.70 and 28,587.48

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Solution

The fourth proportional to 29,559.48, 40,796.70 and 28,587.48 is: 39,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.48 : 40,796.70 = 28,587.48 : x
  2. Step 2: Convert to fraction form
    29,559.48/40,796.70 = 28,587.48/x
  3. Step 3: Cross multiply
    29,559.48x = 40,796.70 × 28,587.48
  4. Step 4: Simplify right side
    29,559.48x = 1,166,274,845.32
  5. Step 5: Solve for x
    x = 1,166,274,845.32/29,559.48
  6. Step 6: Final answer
    x = 39,455.19

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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.