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Finding the Fourth Proportional to 70,650.98, 97,431.54 and 46,409.16

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Solution

The fourth proportional to 70,650.98, 97,431.54 and 46,409.16 is: 64,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,650.98 : 97,431.54 = 46,409.16 : x
  2. Step 2: Convert to fraction form
    70,650.98/97,431.54 = 46,409.16/x
  3. Step 3: Cross multiply
    70,650.98x = 97,431.54 × 46,409.16
  4. Step 4: Simplify right side
    70,650.98x = 4,521,715,928.91
  5. Step 5: Solve for x
    x = 4,521,715,928.91/70,650.98
  6. Step 6: Final answer
    x = 64,000.75

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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.