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Finding the Fourth Proportional to 25,695.99, 38,547.07 and 9,052.58

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Solution

The fourth proportional to 25,695.99, 38,547.07 and 9,052.58 is: 13,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.99 : 38,547.07 = 9,052.58 : x
  2. Step 2: Convert to fraction form
    25,695.99/38,547.07 = 9,052.58/x
  3. Step 3: Cross multiply
    25,695.99x = 38,547.07 × 9,052.58
  4. Step 4: Simplify right side
    25,695.99x = 348,950,434.94
  5. Step 5: Solve for x
    x = 348,950,434.94/25,695.99
  6. Step 6: Final answer
    x = 13,579.96

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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.