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Finding the Fourth Proportional to 70,671.65, 97,527.69 and 38,840.60

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Solution

The fourth proportional to 70,671.65, 97,527.69 and 38,840.60 is: 53,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,671.65 : 97,527.69 = 38,840.60 : x
  2. Step 2: Convert to fraction form
    70,671.65/97,527.69 = 38,840.60/x
  3. Step 3: Cross multiply
    70,671.65x = 97,527.69 × 38,840.60
  4. Step 4: Simplify right side
    70,671.65x = 3,788,033,508.58
  5. Step 5: Solve for x
    x = 3,788,033,508.58/70,671.65
  6. Step 6: Final answer
    x = 53,600.47

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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.