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Finding the Fourth Proportional to 50,714.33, 69,985.16 and 28,051.53

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Solution

The fourth proportional to 50,714.33, 69,985.16 and 28,051.53 is: 38,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,714.33 : 69,985.16 = 28,051.53 : x
  2. Step 2: Convert to fraction form
    50,714.33/69,985.16 = 28,051.53/x
  3. Step 3: Cross multiply
    50,714.33x = 69,985.16 × 28,051.53
  4. Step 4: Simplify right side
    50,714.33x = 1,963,190,675.04
  5. Step 5: Solve for x
    x = 1,963,190,675.04/50,714.33
  6. Step 6: Final answer
    x = 38,710.77

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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.