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Finding the Fourth Proportional to 58,262.40, 87,415.20 and 56,102.40

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Solution

The fourth proportional to 58,262.40, 87,415.20 and 56,102.40 is: 84,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,262.40 : 87,415.20 = 56,102.40 : x
  2. Step 2: Convert to fraction form
    58,262.40/87,415.20 = 56,102.40/x
  3. Step 3: Cross multiply
    58,262.40x = 87,415.20 × 56,102.40
  4. Step 4: Simplify right side
    58,262.40x = 4,904,202,516.48
  5. Step 5: Solve for x
    x = 4,904,202,516.48/58,262.40
  6. Step 6: Final answer
    x = 84,174.40

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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.