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Finding the Fourth Proportional to 59,619.40, 89,429.10 and 58,841.80

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Solution

The fourth proportional to 59,619.40, 89,429.10 and 58,841.80 is: 88,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,619.40 : 89,429.10 = 58,841.80 : x
  2. Step 2: Convert to fraction form
    59,619.40/89,429.10 = 58,841.80/x
  3. Step 3: Cross multiply
    59,619.40x = 89,429.10 × 58,841.80
  4. Step 4: Simplify right side
    59,619.40x = 5,262,169,216.38
  5. Step 5: Solve for x
    x = 5,262,169,216.38/59,619.40
  6. Step 6: Final answer
    x = 88,262.70

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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.