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Finding the Fourth Proportional to 58,495, 87,751.12 and 16,936.60

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Solution

The fourth proportional to 58,495, 87,751.12 and 16,936.60 is: 25,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,495 : 87,751.12 = 16,936.60 : x
  2. Step 2: Convert to fraction form
    58,495/87,751.12 = 16,936.60/x
  3. Step 3: Cross multiply
    58,495x = 87,751.12 × 16,936.60
  4. Step 4: Simplify right side
    58,495x = 1,486,205,618.99
  5. Step 5: Solve for x
    x = 1,486,205,618.99/58,495
  6. Step 6: Final answer
    x = 25,407.40

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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.