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Finding the Fourth Proportional to 62,503.25, 86,289.91 and 43,152.40

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Solution

The fourth proportional to 62,503.25, 86,289.91 and 43,152.40 is: 59,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,503.25 : 86,289.91 = 43,152.40 : x
  2. Step 2: Convert to fraction form
    62,503.25/86,289.91 = 43,152.40/x
  3. Step 3: Cross multiply
    62,503.25x = 86,289.91 × 43,152.40
  4. Step 4: Simplify right side
    62,503.25x = 3,723,616,226.88
  5. Step 5: Solve for x
    x = 3,723,616,226.88/62,503.25
  6. Step 6: Final answer
    x = 59,574.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.