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Finding the Fourth Proportional to 25,653.67, 35,407.95 and 15,046.72

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Solution

The fourth proportional to 25,653.67, 35,407.95 and 15,046.72 is: 20,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.67 : 35,407.95 = 15,046.72 : x
  2. Step 2: Convert to fraction form
    25,653.67/35,407.95 = 15,046.72/x
  3. Step 3: Cross multiply
    25,653.67x = 35,407.95 × 15,046.72
  4. Step 4: Simplify right side
    25,653.67x = 532,773,509.42
  5. Step 5: Solve for x
    x = 532,773,509.42/25,653.67
  6. Step 6: Final answer
    x = 20,767.93

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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.