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Finding the Fourth Proportional to 59,675.92, 89,513.88 and 28,416.40

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Solution

The fourth proportional to 59,675.92, 89,513.88 and 28,416.40 is: 42,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,675.92 : 89,513.88 = 28,416.40 : x
  2. Step 2: Convert to fraction form
    59,675.92/89,513.88 = 28,416.40/x
  3. Step 3: Cross multiply
    59,675.92x = 89,513.88 × 28,416.40
  4. Step 4: Simplify right side
    59,675.92x = 2,543,662,219.63
  5. Step 5: Solve for x
    x = 2,543,662,219.63/59,675.92
  6. Step 6: Final answer
    x = 42,624.60

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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.