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Finding the Fourth Proportional to 58,567.20, 87,850.80 and 19,114.80

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Solution

The fourth proportional to 58,567.20, 87,850.80 and 19,114.80 is: 28,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,567.20 : 87,850.80 = 19,114.80 : x
  2. Step 2: Convert to fraction form
    58,567.20/87,850.80 = 19,114.80/x
  3. Step 3: Cross multiply
    58,567.20x = 87,850.80 × 19,114.80
  4. Step 4: Simplify right side
    58,567.20x = 1,679,250,471.84
  5. Step 5: Solve for x
    x = 1,679,250,471.84/58,567.20
  6. Step 6: Final answer
    x = 28,672.20

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1.5x scale

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.