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Finding the Fourth Proportional to 58,176.63, 87,264.95 and 38,451.11

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Solution

The fourth proportional to 58,176.63, 87,264.95 and 38,451.11 is: 57,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,176.63 : 87,264.95 = 38,451.11 : x
  2. Step 2: Convert to fraction form
    58,176.63/87,264.95 = 38,451.11/x
  3. Step 3: Cross multiply
    58,176.63x = 87,264.95 × 38,451.11
  4. Step 4: Simplify right side
    58,176.63x = 3,355,433,563.01
  5. Step 5: Solve for x
    x = 3,355,433,563.01/58,176.63
  6. Step 6: Final answer
    x = 57,676.66

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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.