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Finding the Fourth Proportional to 58,220.20, 87,200.70 and 56,924.20

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Solution

The fourth proportional to 58,220.20, 87,200.70 and 56,924.20 is: 85,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,220.20 : 87,200.70 = 56,924.20 : x
  2. Step 2: Convert to fraction form
    58,220.20/87,200.70 = 56,924.20/x
  3. Step 3: Cross multiply
    58,220.20x = 87,200.70 × 56,924.20
  4. Step 4: Simplify right side
    58,220.20x = 4,963,830,086.94
  5. Step 5: Solve for x
    x = 4,963,830,086.94/58,220.20
  6. Step 6: Final answer
    x = 85,259.58

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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.