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Finding the Fourth Proportional to 46,036.40, 69,039.48 and 14,446.40

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Solution

The fourth proportional to 46,036.40, 69,039.48 and 14,446.40 is: 21,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,036.40 : 69,039.48 = 14,446.40 : x
  2. Step 2: Convert to fraction form
    46,036.40/69,039.48 = 14,446.40/x
  3. Step 3: Cross multiply
    46,036.40x = 69,039.48 × 14,446.40
  4. Step 4: Simplify right side
    46,036.40x = 997,371,943.87
  5. Step 5: Solve for x
    x = 997,371,943.87/46,036.40
  6. Step 6: Final answer
    x = 21,664.86

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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.