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Finding the Fourth Proportional to 70,384.78, 97,094.19 and 43,518.70

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Solution

The fourth proportional to 70,384.78, 97,094.19 and 43,518.70 is: 60,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,384.78 : 97,094.19 = 43,518.70 : x
  2. Step 2: Convert to fraction form
    70,384.78/97,094.19 = 43,518.70/x
  3. Step 3: Cross multiply
    70,384.78x = 97,094.19 × 43,518.70
  4. Step 4: Simplify right side
    70,384.78x = 4,225,412,926.35
  5. Step 5: Solve for x
    x = 4,225,412,926.35/70,384.78
  6. Step 6: Final answer
    x = 60,033.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.