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Finding the Fourth Proportional to 42,403.50, 63,605.25 and 23,935.50

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Solution

The fourth proportional to 42,403.50, 63,605.25 and 23,935.50 is: 35,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.50 : 63,605.25 = 23,935.50 : x
  2. Step 2: Convert to fraction form
    42,403.50/63,605.25 = 23,935.50/x
  3. Step 3: Cross multiply
    42,403.50x = 63,605.25 × 23,935.50
  4. Step 4: Simplify right side
    42,403.50x = 1,522,423,461.38
  5. Step 5: Solve for x
    x = 1,522,423,461.38/42,403.50
  6. Step 6: Final answer
    x = 35,903.25

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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.