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Finding the Fourth Proportional to 45,885.88, 63,295.80 and 28,863.16

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Solution

The fourth proportional to 45,885.88, 63,295.80 and 28,863.16 is: 39,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.88 : 63,295.80 = 28,863.16 : x
  2. Step 2: Convert to fraction form
    45,885.88/63,295.80 = 28,863.16/x
  3. Step 3: Cross multiply
    45,885.88x = 63,295.80 × 28,863.16
  4. Step 4: Simplify right side
    45,885.88x = 1,826,916,802.73
  5. Step 5: Solve for x
    x = 1,826,916,802.73/45,885.88
  6. Step 6: Final answer
    x = 39,814.36

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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.