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Finding the Fourth Proportional to 19,573.93, 29,365.37 and 8,482.47

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Solution

The fourth proportional to 19,573.93, 29,365.37 and 8,482.47 is: 12,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.93 : 29,365.37 = 8,482.47 : x
  2. Step 2: Convert to fraction form
    19,573.93/29,365.37 = 8,482.47/x
  3. Step 3: Cross multiply
    19,573.93x = 29,365.37 × 8,482.47
  4. Step 4: Simplify right side
    19,573.93x = 249,090,870.06
  5. Step 5: Solve for x
    x = 249,090,870.06/19,573.93
  6. Step 6: Final answer
    x = 12,725.64

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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.