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Finding the Fourth Proportional to 31,000.53, 46,485.54 and 9,935.63

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Solution

The fourth proportional to 31,000.53, 46,485.54 and 9,935.63 is: 14,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.53 : 46,485.54 = 9,935.63 : x
  2. Step 2: Convert to fraction form
    31,000.53/46,485.54 = 9,935.63/x
  3. Step 3: Cross multiply
    31,000.53x = 46,485.54 × 9,935.63
  4. Step 4: Simplify right side
    31,000.53x = 461,862,893.36
  5. Step 5: Solve for x
    x = 461,862,893.36/31,000.53
  6. Step 6: Final answer
    x = 14,898.55

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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.