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Finding the Fourth Proportional to 59,801.94, 89,658.90 and 28,659.06

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Solution

The fourth proportional to 59,801.94, 89,658.90 and 28,659.06 is: 42,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,801.94 : 89,658.90 = 28,659.06 : x
  2. Step 2: Convert to fraction form
    59,801.94/89,658.90 = 28,659.06/x
  3. Step 3: Cross multiply
    59,801.94x = 89,658.90 × 28,659.06
  4. Step 4: Simplify right side
    59,801.94x = 2,569,539,794.63
  5. Step 5: Solve for x
    x = 2,569,539,794.63/59,801.94
  6. Step 6: Final answer
    x = 42,967.50

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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.