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Finding the Fourth Proportional to 60,530.56, 90,840.08 and 30,973.12

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Solution

The fourth proportional to 60,530.56, 90,840.08 and 30,973.12 is: 46,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,530.56 : 90,840.08 = 30,973.12 : x
  2. Step 2: Convert to fraction form
    60,530.56/90,840.08 = 30,973.12/x
  3. Step 3: Cross multiply
    60,530.56x = 90,840.08 × 30,973.12
  4. Step 4: Simplify right side
    60,530.56x = 2,813,600,698.65
  5. Step 5: Solve for x
    x = 2,813,600,698.65/60,530.56
  6. Step 6: Final answer
    x = 46,482.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.