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Finding the Fourth Proportional to 18,976,907.88, 26,168,558.76 and 16,232,679.48

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Solution

The fourth proportional to 18,976,907.88, 26,168,558.76 and 16,232,679.48 is: 22,384,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,907.88 : 26,168,558.76 = 16,232,679.48 : x
  2. Step 2: Convert to fraction form
    18,976,907.88/26,168,558.76 = 16,232,679.48/x
  3. Step 3: Cross multiply
    18,976,907.88x = 26,168,558.76 × 16,232,679.48
  4. Step 4: Simplify right side
    18,976,907.88x = 424,785,826,804,626.31
  5. Step 5: Solve for x
    x = 424,785,826,804,626.31/18,976,907.88
  6. Step 6: Final answer
    x = 22,384,354.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.