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Finding the Fourth Proportional to 58,482.84, 80,745.06 and 45,030.36

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Solution

The fourth proportional to 58,482.84, 80,745.06 and 45,030.36 is: 62,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,482.84 : 80,745.06 = 45,030.36 : x
  2. Step 2: Convert to fraction form
    58,482.84/80,745.06 = 45,030.36/x
  3. Step 3: Cross multiply
    58,482.84x = 80,745.06 × 45,030.36
  4. Step 4: Simplify right side
    58,482.84x = 3,635,979,120.02
  5. Step 5: Solve for x
    x = 3,635,979,120.02/58,482.84
  6. Step 6: Final answer
    x = 62,171.73

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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.