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Finding the Fourth Proportional to 46,970.52, 70,455.70 and 11,910.36

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Solution

The fourth proportional to 46,970.52, 70,455.70 and 11,910.36 is: 17,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,970.52 : 70,455.70 = 11,910.36 : x
  2. Step 2: Convert to fraction form
    46,970.52/70,455.70 = 11,910.36/x
  3. Step 3: Cross multiply
    46,970.52x = 70,455.70 × 11,910.36
  4. Step 4: Simplify right side
    46,970.52x = 839,152,751.05
  5. Step 5: Solve for x
    x = 839,152,751.05/46,970.52
  6. Step 6: Final answer
    x = 17,865.52

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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.