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Finding the Fourth Proportional to 46,698.96, 70,040.90 and 13,411.45

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Solution

The fourth proportional to 46,698.96, 70,040.90 and 13,411.45 is: 20,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,698.96 : 70,040.90 = 13,411.45 : x
  2. Step 2: Convert to fraction form
    46,698.96/70,040.90 = 13,411.45/x
  3. Step 3: Cross multiply
    46,698.96x = 70,040.90 × 13,411.45
  4. Step 4: Simplify right side
    46,698.96x = 939,350,028.31
  5. Step 5: Solve for x
    x = 939,350,028.31/46,698.96
  6. Step 6: Final answer
    x = 20,115.01

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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.