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Finding the Fourth Proportional to 46,040.40, 69,045.48 and 14,450.40

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Solution

The fourth proportional to 46,040.40, 69,045.48 and 14,450.40 is: 21,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,040.40 : 69,045.48 = 14,450.40 : x
  2. Step 2: Convert to fraction form
    46,040.40/69,045.48 = 14,450.40/x
  3. Step 3: Cross multiply
    46,040.40x = 69,045.48 × 14,450.40
  4. Step 4: Simplify right side
    46,040.40x = 997,734,804.19
  5. Step 5: Solve for x
    x = 997,734,804.19/46,040.40
  6. Step 6: Final answer
    x = 21,670.85

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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.