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Finding the Fourth Proportional to 58,533.40, 87,644.58 and 30,403.72

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Solution

The fourth proportional to 58,533.40, 87,644.58 and 30,403.72 is: 45,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,533.40 : 87,644.58 = 30,403.72 : x
  2. Step 2: Convert to fraction form
    58,533.40/87,644.58 = 30,403.72/x
  3. Step 3: Cross multiply
    58,533.40x = 87,644.58 × 30,403.72
  4. Step 4: Simplify right side
    58,533.40x = 2,664,721,269.84
  5. Step 5: Solve for x
    x = 2,664,721,269.84/58,533.40
  6. Step 6: Final answer
    x = 45,524.80

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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.