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Finding the Fourth Proportional to 56,267.80, 84,401.70 and 47,410.45

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Solution

The fourth proportional to 56,267.80, 84,401.70 and 47,410.45 is: 71,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267.80 : 84,401.70 = 47,410.45 : x
  2. Step 2: Convert to fraction form
    56,267.80/84,401.70 = 47,410.45/x
  3. Step 3: Cross multiply
    56,267.80x = 84,401.70 × 47,410.45
  4. Step 4: Simplify right side
    56,267.80x = 4,001,522,577.77
  5. Step 5: Solve for x
    x = 4,001,522,577.77/56,267.80
  6. Step 6: Final answer
    x = 71,115.68

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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.