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Finding the Fourth Proportional to 55,124.56, 76,068.84 and 29,973.84

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Solution

The fourth proportional to 55,124.56, 76,068.84 and 29,973.84 is: 41,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.56 : 76,068.84 = 29,973.84 : x
  2. Step 2: Convert to fraction form
    55,124.56/76,068.84 = 29,973.84/x
  3. Step 3: Cross multiply
    55,124.56x = 76,068.84 × 29,973.84
  4. Step 4: Simplify right side
    55,124.56x = 2,280,075,239.15
  5. Step 5: Solve for x
    x = 2,280,075,239.15/55,124.56
  6. Step 6: Final answer
    x = 41,362.24

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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.