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Finding the Fourth Proportional to 59,567.78, 89,215.58 and 28,424.90

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Solution

The fourth proportional to 59,567.78, 89,215.58 and 28,424.90 is: 42,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,567.78 : 89,215.58 = 28,424.90 : x
  2. Step 2: Convert to fraction form
    59,567.78/89,215.58 = 28,424.90/x
  3. Step 3: Cross multiply
    59,567.78x = 89,215.58 × 28,424.90
  4. Step 4: Simplify right side
    59,567.78x = 2,535,943,939.94
  5. Step 5: Solve for x
    x = 2,535,943,939.94/59,567.78
  6. Step 6: Final answer
    x = 42,572.41

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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.