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Finding the Fourth Proportional to 25,396.48, 35,044.08 and 14,784.40

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Solution

The fourth proportional to 25,396.48, 35,044.08 and 14,784.40 is: 20,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.48 : 35,044.08 = 14,784.40 : x
  2. Step 2: Convert to fraction form
    25,396.48/35,044.08 = 14,784.40/x
  3. Step 3: Cross multiply
    25,396.48x = 35,044.08 × 14,784.40
  4. Step 4: Simplify right side
    25,396.48x = 518,105,696.35
  5. Step 5: Solve for x
    x = 518,105,696.35/25,396.48
  6. Step 6: Final answer
    x = 20,400.69

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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.