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Finding the Fourth Proportional to 59,242.96, 88,870 and 21,803.74

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Solution

The fourth proportional to 59,242.96, 88,870 and 21,803.74 is: 32,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,242.96 : 88,870 = 21,803.74 : x
  2. Step 2: Convert to fraction form
    59,242.96/88,870 = 21,803.74/x
  3. Step 3: Cross multiply
    59,242.96x = 88,870 × 21,803.74
  4. Step 4: Simplify right side
    59,242.96x = 1,937,698,373.80
  5. Step 5: Solve for x
    x = 1,937,698,373.80/59,242.96
  6. Step 6: Final answer
    x = 32,707.66

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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.