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Finding the Fourth Proportional to 46,813.88, 70,220.80 and 15,649.12

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Solution

The fourth proportional to 46,813.88, 70,220.80 and 15,649.12 is: 23,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,813.88 : 70,220.80 = 15,649.12 : x
  2. Step 2: Convert to fraction form
    46,813.88/70,220.80 = 15,649.12/x
  3. Step 3: Cross multiply
    46,813.88x = 70,220.80 × 15,649.12
  4. Step 4: Simplify right side
    46,813.88x = 1,098,893,725.70
  5. Step 5: Solve for x
    x = 1,098,893,725.70/46,813.88
  6. Step 6: Final answer
    x = 23,473.67

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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.