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Finding the Fourth Proportional to 56,695.68, 84,946.32 and 40,025.88

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Solution

The fourth proportional to 56,695.68, 84,946.32 and 40,025.88 is: 59,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.68 : 84,946.32 = 40,025.88 : x
  2. Step 2: Convert to fraction form
    56,695.68/84,946.32 = 40,025.88/x
  3. Step 3: Cross multiply
    56,695.68x = 84,946.32 × 40,025.88
  4. Step 4: Simplify right side
    56,695.68x = 3,400,051,210.76
  5. Step 5: Solve for x
    x = 3,400,051,210.76/56,695.68
  6. Step 6: Final answer
    x = 59,970.20

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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.