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Finding the Fourth Proportional to 11,695.59, 17,547.75 and 7,018.95

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Solution

The fourth proportional to 11,695.59, 17,547.75 and 7,018.95 is: 10,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.59 : 17,547.75 = 7,018.95 : x
  2. Step 2: Convert to fraction form
    11,695.59/17,547.75 = 7,018.95/x
  3. Step 3: Cross multiply
    11,695.59x = 17,547.75 × 7,018.95
  4. Step 4: Simplify right side
    11,695.59x = 123,166,845.67
  5. Step 5: Solve for x
    x = 123,166,845.67/11,695.59
  6. Step 6: Final answer
    x = 10,531.05

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1.5x scale

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.