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Finding the Fourth Proportional to 14,407.63, 21,619.95 and 6,087.11

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Solution

The fourth proportional to 14,407.63, 21,619.95 and 6,087.11 is: 9,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.63 : 21,619.95 = 6,087.11 : x
  2. Step 2: Convert to fraction form
    14,407.63/21,619.95 = 6,087.11/x
  3. Step 3: Cross multiply
    14,407.63x = 21,619.95 × 6,087.11
  4. Step 4: Simplify right side
    14,407.63x = 131,602,875.31
  5. Step 5: Solve for x
    x = 131,602,875.31/14,407.63
  6. Step 6: Final answer
    x = 9,134.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.