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Finding the Fourth Proportional to 55,051.42, 75,970.54 and 29,900.92

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Solution

The fourth proportional to 55,051.42, 75,970.54 and 29,900.92 is: 41,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.42 : 75,970.54 = 29,900.92 : x
  2. Step 2: Convert to fraction form
    55,051.42/75,970.54 = 29,900.92/x
  3. Step 3: Cross multiply
    55,051.42x = 75,970.54 × 29,900.92
  4. Step 4: Simplify right side
    55,051.42x = 2,271,589,038.90
  5. Step 5: Solve for x
    x = 2,271,589,038.90/55,051.42
  6. Step 6: Final answer
    x = 41,263.04

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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.