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Finding the Fourth Proportional to 65,261.56, 97,888.98 and 38,258.89

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Solution

The fourth proportional to 65,261.56, 97,888.98 and 38,258.89 is: 57,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.56 : 97,888.98 = 38,258.89 : x
  2. Step 2: Convert to fraction form
    65,261.56/97,888.98 = 38,258.89/x
  3. Step 3: Cross multiply
    65,261.56x = 97,888.98 × 38,258.89
  4. Step 4: Simplify right side
    65,261.56x = 3,745,123,718.03
  5. Step 5: Solve for x
    x = 3,745,123,718.03/65,261.56
  6. Step 6: Final answer
    x = 57,386.37

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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.