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Finding the Fourth Proportional to 25,369.61, 35,010.43 and 14,038.92

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Solution

The fourth proportional to 25,369.61, 35,010.43 and 14,038.92 is: 19,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.61 : 35,010.43 = 14,038.92 : x
  2. Step 2: Convert to fraction form
    25,369.61/35,010.43 = 14,038.92/x
  3. Step 3: Cross multiply
    25,369.61x = 35,010.43 × 14,038.92
  4. Step 4: Simplify right side
    25,369.61x = 491,508,590.84
  5. Step 5: Solve for x
    x = 491,508,590.84/25,369.61
  6. Step 6: Final answer
    x = 19,373.92

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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.