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Finding the Fourth Proportional to 58,267.40, 87,422.70 and 56,107.40

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Solution

The fourth proportional to 58,267.40, 87,422.70 and 56,107.40 is: 84,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,267.40 : 87,422.70 = 56,107.40 : x
  2. Step 2: Convert to fraction form
    58,267.40/87,422.70 = 56,107.40/x
  3. Step 3: Cross multiply
    58,267.40x = 87,422.70 × 56,107.40
  4. Step 4: Simplify right side
    58,267.40x = 4,905,060,397.98
  5. Step 5: Solve for x
    x = 4,905,060,397.98/58,267.40
  6. Step 6: Final answer
    x = 84,181.90

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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.