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Finding the Fourth Proportional to 65,018.76, 97,528.14 and 15,770.76

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Solution

The fourth proportional to 65,018.76, 97,528.14 and 15,770.76 is: 23,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,018.76 : 97,528.14 = 15,770.76 : x
  2. Step 2: Convert to fraction form
    65,018.76/97,528.14 = 15,770.76/x
  3. Step 3: Cross multiply
    65,018.76x = 97,528.14 × 15,770.76
  4. Step 4: Simplify right side
    65,018.76x = 1,538,092,889.19
  5. Step 5: Solve for x
    x = 1,538,092,889.19/65,018.76
  6. Step 6: Final answer
    x = 23,656.14

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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.