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Finding the Fourth Proportional to 17,985.72, 24,818.24 and 10,430.48

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Solution

The fourth proportional to 17,985.72, 24,818.24 and 10,430.48 is: 14,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.72 : 24,818.24 = 10,430.48 : x
  2. Step 2: Convert to fraction form
    17,985.72/24,818.24 = 10,430.48/x
  3. Step 3: Cross multiply
    17,985.72x = 24,818.24 × 10,430.48
  4. Step 4: Simplify right side
    17,985.72x = 258,866,155.96
  5. Step 5: Solve for x
    x = 258,866,155.96/17,985.72
  6. Step 6: Final answer
    x = 14,392.87

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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.