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Finding the Fourth Proportional to 8,332.50, 12,500.43 and 3,715.50

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Solution

The fourth proportional to 8,332.50, 12,500.43 and 3,715.50 is: 5,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.50 : 12,500.43 = 3,715.50 : x
  2. Step 2: Convert to fraction form
    8,332.50/12,500.43 = 3,715.50/x
  3. Step 3: Cross multiply
    8,332.50x = 12,500.43 × 3,715.50
  4. Step 4: Simplify right side
    8,332.50x = 46,445,347.67
  5. Step 5: Solve for x
    x = 46,445,347.67/8,332.50
  6. Step 6: Final answer
    x = 5,574.00

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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.