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Finding the Fourth Proportional to 14,368.60, 19,828.47 and 8,080.98

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Solution

The fourth proportional to 14,368.60, 19,828.47 and 8,080.98 is: 11,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.60 : 19,828.47 = 8,080.98 : x
  2. Step 2: Convert to fraction form
    14,368.60/19,828.47 = 8,080.98/x
  3. Step 3: Cross multiply
    14,368.60x = 19,828.47 × 8,080.98
  4. Step 4: Simplify right side
    14,368.60x = 160,233,425.45
  5. Step 5: Solve for x
    x = 160,233,425.45/14,368.60
  6. Step 6: Final answer
    x = 11,151.64

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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.