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Finding the Fourth Proportional to 58,907.90, 88,357.80 and 18,926.30

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Solution

The fourth proportional to 58,907.90, 88,357.80 and 18,926.30 is: 28,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.90 : 88,357.80 = 18,926.30 : x
  2. Step 2: Convert to fraction form
    58,907.90/88,357.80 = 18,926.30/x
  3. Step 3: Cross multiply
    58,907.90x = 88,357.80 × 18,926.30
  4. Step 4: Simplify right side
    58,907.90x = 1,672,286,230.14
  5. Step 5: Solve for x
    x = 1,672,286,230.14/58,907.90
  6. Step 6: Final answer
    x = 28,388.15

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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.