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Finding the Fourth Proportional to 47,616.40, 65,710.20 and 26,394.40

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Solution

The fourth proportional to 47,616.40, 65,710.20 and 26,394.40 is: 36,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.40 : 65,710.20 = 26,394.40 : x
  2. Step 2: Convert to fraction form
    47,616.40/65,710.20 = 26,394.40/x
  3. Step 3: Cross multiply
    47,616.40x = 65,710.20 × 26,394.40
  4. Step 4: Simplify right side
    47,616.40x = 1,734,381,302.88
  5. Step 5: Solve for x
    x = 1,734,381,302.88/47,616.40
  6. Step 6: Final answer
    x = 36,424.03

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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.