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Finding the Fourth Proportional to 53,159.99, 79,741.02 and 15,720.03

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Solution

The fourth proportional to 53,159.99, 79,741.02 and 15,720.03 is: 23,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.99 : 79,741.02 = 15,720.03 : x
  2. Step 2: Convert to fraction form
    53,159.99/79,741.02 = 15,720.03/x
  3. Step 3: Cross multiply
    53,159.99x = 79,741.02 × 15,720.03
  4. Step 4: Simplify right side
    53,159.99x = 1,253,531,226.63
  5. Step 5: Solve for x
    x = 1,253,531,226.63/53,159.99
  6. Step 6: Final answer
    x = 23,580.35

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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.