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Finding the Fourth Proportional to 53,482.94, 73,803.53 and 29,279.22

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Solution

The fourth proportional to 53,482.94, 73,803.53 and 29,279.22 is: 40,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,482.94 : 73,803.53 = 29,279.22 : x
  2. Step 2: Convert to fraction form
    53,482.94/73,803.53 = 29,279.22/x
  3. Step 3: Cross multiply
    53,482.94x = 73,803.53 × 29,279.22
  4. Step 4: Simplify right side
    53,482.94x = 2,160,909,645.25
  5. Step 5: Solve for x
    x = 2,160,909,645.25/53,482.94
  6. Step 6: Final answer
    x = 40,403.72

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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.