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Finding the Fourth Proportional to 70,740.98, 97,555.80 and 46,499.12

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Solution

The fourth proportional to 70,740.98, 97,555.80 and 46,499.12 is: 64,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,740.98 : 97,555.80 = 46,499.12 : x
  2. Step 2: Convert to fraction form
    70,740.98/97,555.80 = 46,499.12/x
  3. Step 3: Cross multiply
    70,740.98x = 97,555.80 × 46,499.12
  4. Step 4: Simplify right side
    70,740.98x = 4,536,258,850.90
  5. Step 5: Solve for x
    x = 4,536,258,850.90/70,740.98
  6. Step 6: Final answer
    x = 64,124.91

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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.