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Finding the Fourth Proportional to 10,060.71, 15,080.11 and 4,210.48

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Solution

The fourth proportional to 10,060.71, 15,080.11 and 4,210.48 is: 6,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.71 : 15,080.11 = 4,210.48 : x
  2. Step 2: Convert to fraction form
    10,060.71/15,080.11 = 4,210.48/x
  3. Step 3: Cross multiply
    10,060.71x = 15,080.11 × 4,210.48
  4. Step 4: Simplify right side
    10,060.71x = 63,494,501.55
  5. Step 5: Solve for x
    x = 63,494,501.55/10,060.71
  6. Step 6: Final answer
    x = 6,311.14

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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.