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Finding the Fourth Proportional to 25,463.98, 35,140.35 and 14,285.98

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Solution

The fourth proportional to 25,463.98, 35,140.35 and 14,285.98 is: 19,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.98 : 35,140.35 = 14,285.98 : x
  2. Step 2: Convert to fraction form
    25,463.98/35,140.35 = 14,285.98/x
  3. Step 3: Cross multiply
    25,463.98x = 35,140.35 × 14,285.98
  4. Step 4: Simplify right side
    25,463.98x = 502,014,337.29
  5. Step 5: Solve for x
    x = 502,014,337.29/25,463.98
  6. Step 6: Final answer
    x = 19,714.68

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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.