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Finding the Fourth Proportional to 14,373.58, 21,534.72 and 7,795.57

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Solution

The fourth proportional to 14,373.58, 21,534.72 and 7,795.57 is: 11,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.58 : 21,534.72 = 7,795.57 : x
  2. Step 2: Convert to fraction form
    14,373.58/21,534.72 = 7,795.57/x
  3. Step 3: Cross multiply
    14,373.58x = 21,534.72 × 7,795.57
  4. Step 4: Simplify right side
    14,373.58x = 167,875,334.12
  5. Step 5: Solve for x
    x = 167,875,334.12/14,373.58
  6. Step 6: Final answer
    x = 11,679.44

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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.