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Finding the Fourth Proportional to 14,581.77, 20,124.77 and 8,292.93

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Solution

The fourth proportional to 14,581.77, 20,124.77 and 8,292.93 is: 11,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.77 : 20,124.77 = 8,292.93 : x
  2. Step 2: Convert to fraction form
    14,581.77/20,124.77 = 8,292.93/x
  3. Step 3: Cross multiply
    14,581.77x = 20,124.77 × 8,292.93
  4. Step 4: Simplify right side
    14,581.77x = 166,893,267.41
  5. Step 5: Solve for x
    x = 166,893,267.41/14,581.77
  6. Step 6: Final answer
    x = 11,445.34

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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.