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Finding the Fourth Proportional to 14,316.63, 19,756.89 and 8,029.01

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Solution

The fourth proportional to 14,316.63, 19,756.89 and 8,029.01 is: 11,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.63 : 19,756.89 = 8,029.01 : x
  2. Step 2: Convert to fraction form
    14,316.63/19,756.89 = 8,029.01/x
  3. Step 3: Cross multiply
    14,316.63x = 19,756.89 × 8,029.01
  4. Step 4: Simplify right side
    14,316.63x = 158,628,267.38
  5. Step 5: Solve for x
    x = 158,628,267.38/14,316.63
  6. Step 6: Final answer
    x = 11,080.00

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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.