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Finding the Fourth Proportional to 58,461.68, 80,623.32 and 38,311.25

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Solution

The fourth proportional to 58,461.68, 80,623.32 and 38,311.25 is: 52,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,461.68 : 80,623.32 = 38,311.25 : x
  2. Step 2: Convert to fraction form
    58,461.68/80,623.32 = 38,311.25/x
  3. Step 3: Cross multiply
    58,461.68x = 80,623.32 × 38,311.25
  4. Step 4: Simplify right side
    58,461.68x = 3,088,779,765.23
  5. Step 5: Solve for x
    x = 3,088,779,765.23/58,461.68
  6. Step 6: Final answer
    x = 52,834.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.