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Finding the Fourth Proportional to 62,302.40, 85,978.72 and 35,443.84

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Solution

The fourth proportional to 62,302.40, 85,978.72 and 35,443.84 is: 48,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,302.40 : 85,978.72 = 35,443.84 : x
  2. Step 2: Convert to fraction form
    62,302.40/85,978.72 = 35,443.84/x
  3. Step 3: Cross multiply
    62,302.40x = 85,978.72 × 35,443.84
  4. Step 4: Simplify right side
    62,302.40x = 3,047,415,995.08
  5. Step 5: Solve for x
    x = 3,047,415,995.08/62,302.40
  6. Step 6: Final answer
    x = 48,913.30

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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.