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Finding the Fourth Proportional to 58,772.01, 81,103.13 and 31,913.93

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Solution

The fourth proportional to 58,772.01, 81,103.13 and 31,913.93 is: 44,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,772.01 : 81,103.13 = 31,913.93 : x
  2. Step 2: Convert to fraction form
    58,772.01/81,103.13 = 31,913.93/x
  3. Step 3: Cross multiply
    58,772.01x = 81,103.13 × 31,913.93
  4. Step 4: Simplify right side
    58,772.01x = 2,588,319,048.52
  5. Step 5: Solve for x
    x = 2,588,319,048.52/58,772.01
  6. Step 6: Final answer
    x = 44,040.00

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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.