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Finding the Fourth Proportional to 53,530.08, 73,872.03 and 29,657.08

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Solution

The fourth proportional to 53,530.08, 73,872.03 and 29,657.08 is: 40,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,530.08 : 73,872.03 = 29,657.08 : x
  2. Step 2: Convert to fraction form
    53,530.08/73,872.03 = 29,657.08/x
  3. Step 3: Cross multiply
    53,530.08x = 73,872.03 × 29,657.08
  4. Step 4: Simplify right side
    53,530.08x = 2,190,828,703.47
  5. Step 5: Solve for x
    x = 2,190,828,703.47/53,530.08
  6. Step 6: Final answer
    x = 40,927.06

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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.