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Finding the Fourth Proportional to 35,344.91, 48,776.01 and 19,430.41

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Solution

The fourth proportional to 35,344.91, 48,776.01 and 19,430.41 is: 26,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.91 : 48,776.01 = 19,430.41 : x
  2. Step 2: Convert to fraction form
    35,344.91/48,776.01 = 19,430.41/x
  3. Step 3: Cross multiply
    35,344.91x = 48,776.01 × 19,430.41
  4. Step 4: Simplify right side
    35,344.91x = 947,737,872.46
  5. Step 5: Solve for x
    x = 947,737,872.46/35,344.91
  6. Step 6: Final answer
    x = 26,813.98

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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.