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Finding the Fourth Proportional to 26,459.52, 39,692.97 and 7,740.93

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Solution

The fourth proportional to 26,459.52, 39,692.97 and 7,740.93 is: 11,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.52 : 39,692.97 = 7,740.93 : x
  2. Step 2: Convert to fraction form
    26,459.52/39,692.97 = 7,740.93/x
  3. Step 3: Cross multiply
    26,459.52x = 39,692.97 × 7,740.93
  4. Step 4: Simplify right side
    26,459.52x = 307,260,502.26
  5. Step 5: Solve for x
    x = 307,260,502.26/26,459.52
  6. Step 6: Final answer
    x = 11,612.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.