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Finding the Fourth Proportional to 70,671.08, 97,485.48 and 44,129

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Solution

The fourth proportional to 70,671.08, 97,485.48 and 44,129 is: 60,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,671.08 : 97,485.48 = 44,129 : x
  2. Step 2: Convert to fraction form
    70,671.08/97,485.48 = 44,129/x
  3. Step 3: Cross multiply
    70,671.08x = 97,485.48 × 44,129
  4. Step 4: Simplify right side
    70,671.08x = 4,301,936,746.92
  5. Step 5: Solve for x
    x = 4,301,936,746.92/70,671.08
  6. Step 6: Final answer
    x = 60,872.66

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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.