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Finding the Fourth Proportional to 30,687.53, 46,060.45 and 15,907.05

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Solution

The fourth proportional to 30,687.53, 46,060.45 and 15,907.05 is: 23,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.53 : 46,060.45 = 15,907.05 : x
  2. Step 2: Convert to fraction form
    30,687.53/46,060.45 = 15,907.05/x
  3. Step 3: Cross multiply
    30,687.53x = 46,060.45 × 15,907.05
  4. Step 4: Simplify right side
    30,687.53x = 732,685,841.40
  5. Step 5: Solve for x
    x = 732,685,841.40/30,687.53
  6. Step 6: Final answer
    x = 23,875.69

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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.