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Finding the Fourth Proportional to 41,344.95, 61,980.50 and 15,031.16

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Solution

The fourth proportional to 41,344.95, 61,980.50 and 15,031.16 is: 22,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,344.95 : 61,980.50 = 15,031.16 : x
  2. Step 2: Convert to fraction form
    41,344.95/61,980.50 = 15,031.16/x
  3. Step 3: Cross multiply
    41,344.95x = 61,980.50 × 15,031.16
  4. Step 4: Simplify right side
    41,344.95x = 931,638,812.38
  5. Step 5: Solve for x
    x = 931,638,812.38/41,344.95
  6. Step 6: Final answer
    x = 22,533.32

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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.