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Finding the Fourth Proportional to 46,648.50, 69,971.04 and 13,368.54

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Solution

The fourth proportional to 46,648.50, 69,971.04 and 13,368.54 is: 20,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,648.50 : 69,971.04 = 13,368.54 : x
  2. Step 2: Convert to fraction form
    46,648.50/69,971.04 = 13,368.54/x
  3. Step 3: Cross multiply
    46,648.50x = 69,971.04 × 13,368.54
  4. Step 4: Simplify right side
    46,648.50x = 935,410,647.08
  5. Step 5: Solve for x
    x = 935,410,647.08/46,648.50
  6. Step 6: Final answer
    x = 20,052.32

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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.