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Finding the Fourth Proportional to 58,649.33, 87,954.15 and 19,196.66

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Solution

The fourth proportional to 58,649.33, 87,954.15 and 19,196.66 is: 28,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,649.33 : 87,954.15 = 19,196.66 : x
  2. Step 2: Convert to fraction form
    58,649.33/87,954.15 = 19,196.66/x
  3. Step 3: Cross multiply
    58,649.33x = 87,954.15 × 19,196.66
  4. Step 4: Simplify right side
    58,649.33x = 1,688,425,913.14
  5. Step 5: Solve for x
    x = 1,688,425,913.14/58,649.33
  6. Step 6: Final answer
    x = 28,788.49

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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.