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Finding the Fourth Proportional to 45,126.76, 67,700.93 and 13,962.01

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Solution

The fourth proportional to 45,126.76, 67,700.93 and 13,962.01 is: 20,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,126.76 : 67,700.93 = 13,962.01 : x
  2. Step 2: Convert to fraction form
    45,126.76/67,700.93 = 13,962.01/x
  3. Step 3: Cross multiply
    45,126.76x = 67,700.93 × 13,962.01
  4. Step 4: Simplify right side
    45,126.76x = 945,240,758.07
  5. Step 5: Solve for x
    x = 945,240,758.07/45,126.76
  6. Step 6: Final answer
    x = 20,946.35

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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.