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Finding the Fourth Proportional to 14,370.56, 19,829.76 and 8,706.56

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Solution

The fourth proportional to 14,370.56, 19,829.76 and 8,706.56 is: 12,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.56 : 19,829.76 = 8,706.56 : x
  2. Step 2: Convert to fraction form
    14,370.56/19,829.76 = 8,706.56/x
  3. Step 3: Cross multiply
    14,370.56x = 19,829.76 × 8,706.56
  4. Step 4: Simplify right side
    14,370.56x = 172,648,995.23
  5. Step 5: Solve for x
    x = 172,648,995.23/14,370.56
  6. Step 6: Final answer
    x = 12,014.08

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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.