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Finding the Fourth Proportional to 65,903.40, 98,855.10 and 62,015.40

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Solution

The fourth proportional to 65,903.40, 98,855.10 and 62,015.40 is: 93,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903.40 : 98,855.10 = 62,015.40 : x
  2. Step 2: Convert to fraction form
    65,903.40/98,855.10 = 62,015.40/x
  3. Step 3: Cross multiply
    65,903.40x = 98,855.10 × 62,015.40
  4. Step 4: Simplify right side
    65,903.40x = 6,130,538,568.54
  5. Step 5: Solve for x
    x = 6,130,538,568.54/65,903.40
  6. Step 6: Final answer
    x = 93,023.10

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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.