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Finding the Fourth Proportional to 42,392.61, 58,502.03 and 26,486.29

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Solution

The fourth proportional to 42,392.61, 58,502.03 and 26,486.29 is: 36,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.61 : 58,502.03 = 26,486.29 : x
  2. Step 2: Convert to fraction form
    42,392.61/58,502.03 = 26,486.29/x
  3. Step 3: Cross multiply
    42,392.61x = 58,502.03 × 26,486.29
  4. Step 4: Simplify right side
    42,392.61x = 1,549,501,439.66
  5. Step 5: Solve for x
    x = 1,549,501,439.66/42,392.61
  6. Step 6: Final answer
    x = 36,551.22

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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.