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Finding the Fourth Proportional to 14,398.47, 21,598.47 and 4,538.52

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Solution

The fourth proportional to 14,398.47, 21,598.47 and 4,538.52 is: 6,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.47 : 21,598.47 = 4,538.52 : x
  2. Step 2: Convert to fraction form
    14,398.47/21,598.47 = 4,538.52/x
  3. Step 3: Cross multiply
    14,398.47x = 21,598.47 × 4,538.52
  4. Step 4: Simplify right side
    14,398.47x = 98,025,088.06
  5. Step 5: Solve for x
    x = 98,025,088.06/14,398.47
  6. Step 6: Final answer
    x = 6,808.02

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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.