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Finding the Fourth Proportional to 14,385.59, 19,851.88 and 8,012.01

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Solution

The fourth proportional to 14,385.59, 19,851.88 and 8,012.01 is: 11,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.59 : 19,851.88 = 8,012.01 : x
  2. Step 2: Convert to fraction form
    14,385.59/19,851.88 = 8,012.01/x
  3. Step 3: Cross multiply
    14,385.59x = 19,851.88 × 8,012.01
  4. Step 4: Simplify right side
    14,385.59x = 159,053,461.08
  5. Step 5: Solve for x
    x = 159,053,461.08/14,385.59
  6. Step 6: Final answer
    x = 11,056.44

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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.