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Finding the Fourth Proportional to 8,547.65, 11,791.02 and 5,010.18

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Solution

The fourth proportional to 8,547.65, 11,791.02 and 5,010.18 is: 6,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.65 : 11,791.02 = 5,010.18 : x
  2. Step 2: Convert to fraction form
    8,547.65/11,791.02 = 5,010.18/x
  3. Step 3: Cross multiply
    8,547.65x = 11,791.02 × 5,010.18
  4. Step 4: Simplify right side
    8,547.65x = 59,075,132.58
  5. Step 5: Solve for x
    x = 59,075,132.58/8,547.65
  6. Step 6: Final answer
    x = 6,911.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.