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Finding the Fourth Proportional to 46,885.78, 70,328.67 and 14,053.78

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Solution

The fourth proportional to 46,885.78, 70,328.67 and 14,053.78 is: 21,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,885.78 : 70,328.67 = 14,053.78 : x
  2. Step 2: Convert to fraction form
    46,885.78/70,328.67 = 14,053.78/x
  3. Step 3: Cross multiply
    46,885.78x = 70,328.67 × 14,053.78
  4. Step 4: Simplify right side
    46,885.78x = 988,383,770.13
  5. Step 5: Solve for x
    x = 988,383,770.13/46,885.78
  6. Step 6: Final answer
    x = 21,080.67

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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.