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Finding the Fourth Proportional to 17,695.51, 26,543.23 and 4,547.93

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Solution

The fourth proportional to 17,695.51, 26,543.23 and 4,547.93 is: 6,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.51 : 26,543.23 = 4,547.93 : x
  2. Step 2: Convert to fraction form
    17,695.51/26,543.23 = 4,547.93/x
  3. Step 3: Cross multiply
    17,695.51x = 26,543.23 × 4,547.93
  4. Step 4: Simplify right side
    17,695.51x = 120,716,607.93
  5. Step 5: Solve for x
    x = 120,716,607.93/17,695.51
  6. Step 6: Final answer
    x = 6,821.88

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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.