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Finding the Fourth Proportional to 58,762.17, 81,091.65 and 31,904.40

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Solution

The fourth proportional to 58,762.17, 81,091.65 and 31,904.40 is: 44,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762.17 : 81,091.65 = 31,904.40 : x
  2. Step 2: Convert to fraction form
    58,762.17/81,091.65 = 31,904.40/x
  3. Step 3: Cross multiply
    58,762.17x = 81,091.65 × 31,904.40
  4. Step 4: Simplify right side
    58,762.17x = 2,587,180,438.26
  5. Step 5: Solve for x
    x = 2,587,180,438.26/58,762.17
  6. Step 6: Final answer
    x = 44,027.99

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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.