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Finding the Fourth Proportional to 58,809.42, 81,154.38 and 33,315.24

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Solution

The fourth proportional to 58,809.42, 81,154.38 and 33,315.24 is: 45,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.42 : 81,154.38 = 33,315.24 : x
  2. Step 2: Convert to fraction form
    58,809.42/81,154.38 = 33,315.24/x
  3. Step 3: Cross multiply
    58,809.42x = 81,154.38 × 33,315.24
  4. Step 4: Simplify right side
    58,809.42x = 2,703,677,646.75
  5. Step 5: Solve for x
    x = 2,703,677,646.75/58,809.42
  6. Step 6: Final answer
    x = 45,973.55

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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.