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Finding the Fourth Proportional to 59,855.60, 89,783.40 and 53,116.40

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Solution

The fourth proportional to 59,855.60, 89,783.40 and 53,116.40 is: 79,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,855.60 : 89,783.40 = 53,116.40 : x
  2. Step 2: Convert to fraction form
    59,855.60/89,783.40 = 53,116.40/x
  3. Step 3: Cross multiply
    59,855.60x = 89,783.40 × 53,116.40
  4. Step 4: Simplify right side
    59,855.60x = 4,768,970,987.76
  5. Step 5: Solve for x
    x = 4,768,970,987.76/59,855.60
  6. Step 6: Final answer
    x = 79,674.60

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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.