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Finding the Fourth Proportional to 45,714.84, 63,125.42 and 28,747.48

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Solution

The fourth proportional to 45,714.84, 63,125.42 and 28,747.48 is: 39,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,714.84 : 63,125.42 = 28,747.48 : x
  2. Step 2: Convert to fraction form
    45,714.84/63,125.42 = 28,747.48/x
  3. Step 3: Cross multiply
    45,714.84x = 63,125.42 × 28,747.48
  4. Step 4: Simplify right side
    45,714.84x = 1,814,696,447.39
  5. Step 5: Solve for x
    x = 1,814,696,447.39/45,714.84
  6. Step 6: Final answer
    x = 39,696.00

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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.