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Finding the Fourth Proportional to 31,201.84, 46,802.58 and 10,425.16

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Solution

The fourth proportional to 31,201.84, 46,802.58 and 10,425.16 is: 15,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.84 : 46,802.58 = 10,425.16 : x
  2. Step 2: Convert to fraction form
    31,201.84/46,802.58 = 10,425.16/x
  3. Step 3: Cross multiply
    31,201.84x = 46,802.58 × 10,425.16
  4. Step 4: Simplify right side
    31,201.84x = 487,924,384.91
  5. Step 5: Solve for x
    x = 487,924,384.91/31,201.84
  6. Step 6: Final answer
    x = 15,637.68

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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.