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Finding the Fourth Proportional to 29,222.47, 40,330.02 and 17,899.48

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Solution

The fourth proportional to 29,222.47, 40,330.02 and 17,899.48 is: 24,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,222.47 : 40,330.02 = 17,899.48 : x
  2. Step 2: Convert to fraction form
    29,222.47/40,330.02 = 17,899.48/x
  3. Step 3: Cross multiply
    29,222.47x = 40,330.02 × 17,899.48
  4. Step 4: Simplify right side
    29,222.47x = 721,886,386.39
  5. Step 5: Solve for x
    x = 721,886,386.39/29,222.47
  6. Step 6: Final answer
    x = 24,703.13

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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.