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Finding the Fourth Proportional to 58,301, 87,469.94 and 20,860.24

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Solution

The fourth proportional to 58,301, 87,469.94 and 20,860.24 is: 31,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,301 : 87,469.94 = 20,860.24 : x
  2. Step 2: Convert to fraction form
    58,301/87,469.94 = 20,860.24/x
  3. Step 3: Cross multiply
    58,301x = 87,469.94 × 20,860.24
  4. Step 4: Simplify right side
    58,301x = 1,824,643,941.19
  5. Step 5: Solve for x
    x = 1,824,643,941.19/58,301
  6. Step 6: Final answer
    x = 31,296.96

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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.