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Finding the Fourth Proportional to 58,445.80, 87,668.70 and 16,892.84

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Solution

The fourth proportional to 58,445.80, 87,668.70 and 16,892.84 is: 25,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.80 : 87,668.70 = 16,892.84 : x
  2. Step 2: Convert to fraction form
    58,445.80/87,668.70 = 16,892.84/x
  3. Step 3: Cross multiply
    58,445.80x = 87,668.70 × 16,892.84
  4. Step 4: Simplify right side
    58,445.80x = 1,480,973,322.11
  5. Step 5: Solve for x
    x = 1,480,973,322.11/58,445.80
  6. Step 6: Final answer
    x = 25,339.26

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Similar ratio
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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.