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Finding the Fourth Proportional to 58,851.90, 88,273.80 and 18,870.30

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Solution

The fourth proportional to 58,851.90, 88,273.80 and 18,870.30 is: 28,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,851.90 : 88,273.80 = 18,870.30 : x
  2. Step 2: Convert to fraction form
    58,851.90/88,273.80 = 18,870.30/x
  3. Step 3: Cross multiply
    58,851.90x = 88,273.80 × 18,870.30
  4. Step 4: Simplify right side
    58,851.90x = 1,665,753,088.14
  5. Step 5: Solve for x
    x = 1,665,753,088.14/58,851.90
  6. Step 6: Final answer
    x = 28,304.15

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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.