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Finding the Fourth Proportional to 35,391.84, 53,079.25 and 10,425.14

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Solution

The fourth proportional to 35,391.84, 53,079.25 and 10,425.14 is: 15,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.84 : 53,079.25 = 10,425.14 : x
  2. Step 2: Convert to fraction form
    35,391.84/53,079.25 = 10,425.14/x
  3. Step 3: Cross multiply
    35,391.84x = 53,079.25 × 10,425.14
  4. Step 4: Simplify right side
    35,391.84x = 553,358,612.35
  5. Step 5: Solve for x
    x = 553,358,612.35/35,391.84
  6. Step 6: Final answer
    x = 15,635.20

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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.