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Finding the Fourth Proportional to 25,633, 35,373.54 and 14,455.72

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Solution

The fourth proportional to 25,633, 35,373.54 and 14,455.72 is: 19,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633 : 35,373.54 = 14,455.72 : x
  2. Step 2: Convert to fraction form
    25,633/35,373.54 = 14,455.72/x
  3. Step 3: Cross multiply
    25,633x = 35,373.54 × 14,455.72
  4. Step 4: Simplify right side
    25,633x = 511,349,989.65
  5. Step 5: Solve for x
    x = 511,349,989.65/25,633
  6. Step 6: Final answer
    x = 19,948.89

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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.