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Finding the Fourth Proportional to 58,678.80, 88,061.40 and 23,643.60

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Solution

The fourth proportional to 58,678.80, 88,061.40 and 23,643.60 is: 35,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,678.80 : 88,061.40 = 23,643.60 : x
  2. Step 2: Convert to fraction form
    58,678.80/88,061.40 = 23,643.60/x
  3. Step 3: Cross multiply
    58,678.80x = 88,061.40 × 23,643.60
  4. Step 4: Simplify right side
    58,678.80x = 2,082,088,517.04
  5. Step 5: Solve for x
    x = 2,082,088,517.04/58,678.80
  6. Step 6: Final answer
    x = 35,482.81

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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.