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Finding the Fourth Proportional to 14,203.53, 19,602.55 and 8,541.17

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Solution

The fourth proportional to 14,203.53, 19,602.55 and 8,541.17 is: 11,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.53 : 19,602.55 = 8,541.17 : x
  2. Step 2: Convert to fraction form
    14,203.53/19,602.55 = 8,541.17/x
  3. Step 3: Cross multiply
    14,203.53x = 19,602.55 × 8,541.17
  4. Step 4: Simplify right side
    14,203.53x = 167,428,641.62
  5. Step 5: Solve for x
    x = 167,428,641.62/14,203.53
  6. Step 6: Final answer
    x = 11,787.82

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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.