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Finding the Fourth Proportional to 35,340.31, 53,010.42 and 9,045.06

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Solution

The fourth proportional to 35,340.31, 53,010.42 and 9,045.06 is: 13,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.31 : 53,010.42 = 9,045.06 : x
  2. Step 2: Convert to fraction form
    35,340.31/53,010.42 = 9,045.06/x
  3. Step 3: Cross multiply
    35,340.31x = 53,010.42 × 9,045.06
  4. Step 4: Simplify right side
    35,340.31x = 479,482,429.53
  5. Step 5: Solve for x
    x = 479,482,429.53/35,340.31
  6. Step 6: Final answer
    x = 13,567.58

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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.