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Finding the Fourth Proportional to 52,988.59, 79,483.70 and 13,544.83

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Solution

The fourth proportional to 52,988.59, 79,483.70 and 13,544.83 is: 20,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.59 : 79,483.70 = 13,544.83 : x
  2. Step 2: Convert to fraction form
    52,988.59/79,483.70 = 13,544.83/x
  3. Step 3: Cross multiply
    52,988.59x = 79,483.70 × 13,544.83
  4. Step 4: Simplify right side
    52,988.59x = 1,076,593,204.27
  5. Step 5: Solve for x
    x = 1,076,593,204.27/52,988.59
  6. Step 6: Final answer
    x = 20,317.45

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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.