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Finding the Fourth Proportional to 70,999.98, 97,984.72 and 40,795.08

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Solution

The fourth proportional to 70,999.98, 97,984.72 and 40,795.08 is: 56,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,999.98 : 97,984.72 = 40,795.08 : x
  2. Step 2: Convert to fraction form
    70,999.98/97,984.72 = 40,795.08/x
  3. Step 3: Cross multiply
    70,999.98x = 97,984.72 × 40,795.08
  4. Step 4: Simplify right side
    70,999.98x = 3,997,294,491.18
  5. Step 5: Solve for x
    x = 3,997,294,491.18/70,999.98
  6. Step 6: Final answer
    x = 56,299.94

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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.