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Finding the Fourth Proportional to 14,341.76, 21,501.76 and 8,796.16

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Solution

The fourth proportional to 14,341.76, 21,501.76 and 8,796.16 is: 13,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.76 : 21,501.76 = 8,796.16 : x
  2. Step 2: Convert to fraction form
    14,341.76/21,501.76 = 8,796.16/x
  3. Step 3: Cross multiply
    14,341.76x = 21,501.76 × 8,796.16
  4. Step 4: Simplify right side
    14,341.76x = 189,132,921.24
  5. Step 5: Solve for x
    x = 189,132,921.24/14,341.76
  6. Step 6: Final answer
    x = 13,187.57

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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.