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Finding the Fourth Proportional to 59,312.76, 81,852.12 and 36,646.53

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Solution

The fourth proportional to 59,312.76, 81,852.12 and 36,646.53 is: 50,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,312.76 : 81,852.12 = 36,646.53 : x
  2. Step 2: Convert to fraction form
    59,312.76/81,852.12 = 36,646.53/x
  3. Step 3: Cross multiply
    59,312.76x = 81,852.12 × 36,646.53
  4. Step 4: Simplify right side
    59,312.76x = 2,999,596,171.14
  5. Step 5: Solve for x
    x = 2,999,596,171.14/59,312.76
  6. Step 6: Final answer
    x = 50,572.53

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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.