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Finding the Fourth Proportional to 63,750.33, 87,923.12 and 56,585.48

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Solution

The fourth proportional to 63,750.33, 87,923.12 and 56,585.48 is: 78,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,750.33 : 87,923.12 = 56,585.48 : x
  2. Step 2: Convert to fraction form
    63,750.33/87,923.12 = 56,585.48/x
  3. Step 3: Cross multiply
    63,750.33x = 87,923.12 × 56,585.48
  4. Step 4: Simplify right side
    63,750.33x = 4,975,171,225.75
  5. Step 5: Solve for x
    x = 4,975,171,225.75/63,750.33
  6. Step 6: Final answer
    x = 78,041.50

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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.