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Finding the Fourth Proportional to 67,798.77, 101,699.19 and 25,667.55

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Solution

The fourth proportional to 67,798.77, 101,699.19 and 25,667.55 is: 38,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,798.77 : 101,699.19 = 25,667.55 : x
  2. Step 2: Convert to fraction form
    67,798.77/101,699.19 = 25,667.55/x
  3. Step 3: Cross multiply
    67,798.77x = 101,699.19 × 25,667.55
  4. Step 4: Simplify right side
    67,798.77x = 2,610,369,044.28
  5. Step 5: Solve for x
    x = 2,610,369,044.28/67,798.77
  6. Step 6: Final answer
    x = 38,501.72

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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.