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Finding the Fourth Proportional to 69,920.48, 104,895.36 and 22,539.12

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Solution

The fourth proportional to 69,920.48, 104,895.36 and 22,539.12 is: 33,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.48 : 104,895.36 = 22,539.12 : x
  2. Step 2: Convert to fraction form
    69,920.48/104,895.36 = 22,539.12/x
  3. Step 3: Cross multiply
    69,920.48x = 104,895.36 × 22,539.12
  4. Step 4: Simplify right side
    69,920.48x = 2,364,249,106.48
  5. Step 5: Solve for x
    x = 2,364,249,106.48/69,920.48
  6. Step 6: Final answer
    x = 33,813.40

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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.