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Finding the Fourth Proportional to 26,362.16, 39,543 and 10,768.80

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Solution

The fourth proportional to 26,362.16, 39,543 and 10,768.80 is: 16,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,362.16 : 39,543 = 10,768.80 : x
  2. Step 2: Convert to fraction form
    26,362.16/39,543 = 10,768.80/x
  3. Step 3: Cross multiply
    26,362.16x = 39,543 × 10,768.80
  4. Step 4: Simplify right side
    26,362.16x = 425,830,658.40
  5. Step 5: Solve for x
    x = 425,830,658.40/26,362.16
  6. Step 6: Final answer
    x = 16,153.10

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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.