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Finding the Fourth Proportional to 35,935.60, 53,880.04 and 17,215.16

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Solution

The fourth proportional to 35,935.60, 53,880.04 and 17,215.16 is: 25,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.60 : 53,880.04 = 17,215.16 : x
  2. Step 2: Convert to fraction form
    35,935.60/53,880.04 = 17,215.16/x
  3. Step 3: Cross multiply
    35,935.60x = 53,880.04 × 17,215.16
  4. Step 4: Simplify right side
    35,935.60x = 927,553,509.41
  5. Step 5: Solve for x
    x = 927,553,509.41/35,935.60
  6. Step 6: Final answer
    x = 25,811.55

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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.