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Finding the Fourth Proportional to 58,289.68, 87,463.68 and 28,672.84

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Solution

The fourth proportional to 58,289.68, 87,463.68 and 28,672.84 is: 43,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,289.68 : 87,463.68 = 28,672.84 : x
  2. Step 2: Convert to fraction form
    58,289.68/87,463.68 = 28,672.84/x
  3. Step 3: Cross multiply
    58,289.68x = 87,463.68 × 28,672.84
  4. Step 4: Simplify right side
    58,289.68x = 2,507,832,102.45
  5. Step 5: Solve for x
    x = 2,507,832,102.45/58,289.68
  6. Step 6: Final answer
    x = 43,023.60

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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.