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Finding the Fourth Proportional to 58,997.81, 88,509.53 and 21,557.84

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Solution

The fourth proportional to 58,997.81, 88,509.53 and 21,557.84 is: 32,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,997.81 : 88,509.53 = 21,557.84 : x
  2. Step 2: Convert to fraction form
    58,997.81/88,509.53 = 21,557.84/x
  3. Step 3: Cross multiply
    58,997.81x = 88,509.53 × 21,557.84
  4. Step 4: Simplify right side
    58,997.81x = 1,908,073,897.56
  5. Step 5: Solve for x
    x = 1,908,073,897.56/58,997.81
  6. Step 6: Final answer
    x = 32,341.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.