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Finding the Fourth Proportional to 11,695.36, 17,547.18 and 7,307.68

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Solution

The fourth proportional to 11,695.36, 17,547.18 and 7,307.68 is: 10,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.36 : 17,547.18 = 7,307.68 : x
  2. Step 2: Convert to fraction form
    11,695.36/17,547.18 = 7,307.68/x
  3. Step 3: Cross multiply
    11,695.36x = 17,547.18 × 7,307.68
  4. Step 4: Simplify right side
    11,695.36x = 128,229,176.34
  5. Step 5: Solve for x
    x = 128,229,176.34/11,695.36
  6. Step 6: Final answer
    x = 10,964.11

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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.