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Finding the Fourth Proportional to 70,762.58, 97,611.80 and 44,220.50

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Solution

The fourth proportional to 70,762.58, 97,611.80 and 44,220.50 is: 60,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,762.58 : 97,611.80 = 44,220.50 : x
  2. Step 2: Convert to fraction form
    70,762.58/97,611.80 = 44,220.50/x
  3. Step 3: Cross multiply
    70,762.58x = 97,611.80 × 44,220.50
  4. Step 4: Simplify right side
    70,762.58x = 4,316,442,601.90
  5. Step 5: Solve for x
    x = 4,316,442,601.90/70,762.58
  6. Step 6: Final answer
    x = 60,998.94

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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.