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Finding the Fourth Proportional to 65,334.84, 97,878.90 and 38,601.06

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Solution

The fourth proportional to 65,334.84, 97,878.90 and 38,601.06 is: 57,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,334.84 : 97,878.90 = 38,601.06 : x
  2. Step 2: Convert to fraction form
    65,334.84/97,878.90 = 38,601.06/x
  3. Step 3: Cross multiply
    65,334.84x = 97,878.90 × 38,601.06
  4. Step 4: Simplify right side
    65,334.84x = 3,778,229,291.63
  5. Step 5: Solve for x
    x = 3,778,229,291.63/65,334.84
  6. Step 6: Final answer
    x = 57,828.71

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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.