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Finding the Fourth Proportional to 59,114.40, 88,671.60 and 39,328.80

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Solution

The fourth proportional to 59,114.40, 88,671.60 and 39,328.80 is: 58,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,114.40 : 88,671.60 = 39,328.80 : x
  2. Step 2: Convert to fraction form
    59,114.40/88,671.60 = 39,328.80/x
  3. Step 3: Cross multiply
    59,114.40x = 88,671.60 × 39,328.80
  4. Step 4: Simplify right side
    59,114.40x = 3,487,347,622.08
  5. Step 5: Solve for x
    x = 3,487,347,622.08/59,114.40
  6. Step 6: Final answer
    x = 58,993.20

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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.