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Finding the Fourth Proportional to 58,278.69, 87,407.37 and 15,584.67

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Solution

The fourth proportional to 58,278.69, 87,407.37 and 15,584.67 is: 23,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.69 : 87,407.37 = 15,584.67 : x
  2. Step 2: Convert to fraction form
    58,278.69/87,407.37 = 15,584.67/x
  3. Step 3: Cross multiply
    58,278.69x = 87,407.37 × 15,584.67
  4. Step 4: Simplify right side
    58,278.69x = 1,362,215,017.02
  5. Step 5: Solve for x
    x = 1,362,215,017.02/58,278.69
  6. Step 6: Final answer
    x = 23,374.15

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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.