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Finding the Fourth Proportional to 46,697.96, 70,039.40 and 13,410.45

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Solution

The fourth proportional to 46,697.96, 70,039.40 and 13,410.45 is: 20,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,697.96 : 70,039.40 = 13,410.45 : x
  2. Step 2: Convert to fraction form
    46,697.96/70,039.40 = 13,410.45/x
  3. Step 3: Cross multiply
    46,697.96x = 70,039.40 × 13,410.45
  4. Step 4: Simplify right side
    46,697.96x = 939,259,725.04
  5. Step 5: Solve for x
    x = 939,259,725.04/46,697.96
  6. Step 6: Final answer
    x = 20,113.51

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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.