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Finding the Fourth Proportional to 14,595.86, 21,901.90 and 5,831.30

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Solution

The fourth proportional to 14,595.86, 21,901.90 and 5,831.30 is: 8,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.86 : 21,901.90 = 5,831.30 : x
  2. Step 2: Convert to fraction form
    14,595.86/21,901.90 = 5,831.30/x
  3. Step 3: Cross multiply
    14,595.86x = 21,901.90 × 5,831.30
  4. Step 4: Simplify right side
    14,595.86x = 127,716,549.47
  5. Step 5: Solve for x
    x = 127,716,549.47/14,595.86
  6. Step 6: Final answer
    x = 8,750.19

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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.