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Finding the Fourth Proportional to 46,790.70, 70,076.70 and 45,851.10

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Solution

The fourth proportional to 46,790.70, 70,076.70 and 45,851.10 is: 68,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,790.70 : 70,076.70 = 45,851.10 : x
  2. Step 2: Convert to fraction form
    46,790.70/70,076.70 = 45,851.10/x
  3. Step 3: Cross multiply
    46,790.70x = 70,076.70 × 45,851.10
  4. Step 4: Simplify right side
    46,790.70x = 3,213,093,779.37
  5. Step 5: Solve for x
    x = 3,213,093,779.37/46,790.70
  6. Step 6: Final answer
    x = 68,669.50

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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.