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Finding the Fourth Proportional to 51,668.60, 77,509.38 and 16,607.48

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Solution

The fourth proportional to 51,668.60, 77,509.38 and 16,607.48 is: 24,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,668.60 : 77,509.38 = 16,607.48 : x
  2. Step 2: Convert to fraction form
    51,668.60/77,509.38 = 16,607.48/x
  3. Step 3: Cross multiply
    51,668.60x = 77,509.38 × 16,607.48
  4. Step 4: Simplify right side
    51,668.60x = 1,287,235,478.16
  5. Step 5: Solve for x
    x = 1,287,235,478.16/51,668.60
  6. Step 6: Final answer
    x = 24,913.30

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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.