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Finding the Fourth Proportional to 56,321.84, 84,408.03 and 46,980.16

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Solution

The fourth proportional to 56,321.84, 84,408.03 and 46,980.16 is: 70,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.84 : 84,408.03 = 46,980.16 : x
  2. Step 2: Convert to fraction form
    56,321.84/84,408.03 = 46,980.16/x
  3. Step 3: Cross multiply
    56,321.84x = 84,408.03 × 46,980.16
  4. Step 4: Simplify right side
    56,321.84x = 3,965,502,754.68
  5. Step 5: Solve for x
    x = 3,965,502,754.68/56,321.84
  6. Step 6: Final answer
    x = 70,407.90

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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.