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Finding the Fourth Proportional to 58,689.54, 88,156.02 and 47,457.54

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Solution

The fourth proportional to 58,689.54, 88,156.02 and 47,457.54 is: 71,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689.54 : 88,156.02 = 47,457.54 : x
  2. Step 2: Convert to fraction form
    58,689.54/88,156.02 = 47,457.54/x
  3. Step 3: Cross multiply
    58,689.54x = 88,156.02 × 47,457.54
  4. Step 4: Simplify right side
    58,689.54x = 4,183,667,845.39
  5. Step 5: Solve for x
    x = 4,183,667,845.39/58,689.54
  6. Step 6: Final answer
    x = 71,284.73

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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.