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Finding the Fourth Proportional to 42,103.84, 58,101.84 and 25,099.32

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Solution

The fourth proportional to 42,103.84, 58,101.84 and 25,099.32 is: 34,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103.84 : 58,101.84 = 25,099.32 : x
  2. Step 2: Convert to fraction form
    42,103.84/58,101.84 = 25,099.32/x
  3. Step 3: Cross multiply
    42,103.84x = 58,101.84 × 25,099.32
  4. Step 4: Simplify right side
    42,103.84x = 1,458,316,674.75
  5. Step 5: Solve for x
    x = 1,458,316,674.75/42,103.84
  6. Step 6: Final answer
    x = 34,636.19

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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.