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Finding the Fourth Proportional to 58,881.02, 88,312.82 and 19,438.48

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Solution

The fourth proportional to 58,881.02, 88,312.82 and 19,438.48 is: 29,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.02 : 88,312.82 = 19,438.48 : x
  2. Step 2: Convert to fraction form
    58,881.02/88,312.82 = 19,438.48/x
  3. Step 3: Cross multiply
    58,881.02x = 88,312.82 × 19,438.48
  4. Step 4: Simplify right side
    58,881.02x = 1,716,666,543.75
  5. Step 5: Solve for x
    x = 1,716,666,543.75/58,881.02
  6. Step 6: Final answer
    x = 29,154.84

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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.