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Finding the Fourth Proportional to 14,649.41, 20,216.23 and 7,935.01

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Solution

The fourth proportional to 14,649.41, 20,216.23 and 7,935.01 is: 10,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.41 : 20,216.23 = 7,935.01 : x
  2. Step 2: Convert to fraction form
    14,649.41/20,216.23 = 7,935.01/x
  3. Step 3: Cross multiply
    14,649.41x = 20,216.23 × 7,935.01
  4. Step 4: Simplify right side
    14,649.41x = 160,416,075.18
  5. Step 5: Solve for x
    x = 160,416,075.18/14,649.41
  6. Step 6: Final answer
    x = 10,950.35

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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.