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Finding the Fourth Proportional to 58,727.70, 88,101.15 and 19,274.10

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Solution

The fourth proportional to 58,727.70, 88,101.15 and 19,274.10 is: 28,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.70 : 88,101.15 = 19,274.10 : x
  2. Step 2: Convert to fraction form
    58,727.70/88,101.15 = 19,274.10/x
  3. Step 3: Cross multiply
    58,727.70x = 88,101.15 × 19,274.10
  4. Step 4: Simplify right side
    58,727.70x = 1,698,070,375.22
  5. Step 5: Solve for x
    x = 1,698,070,375.22/58,727.70
  6. Step 6: Final answer
    x = 28,914.30

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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.