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Finding the Fourth Proportional to 58,962.40, 88,443.60 and 34,079.20

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Solution

The fourth proportional to 58,962.40, 88,443.60 and 34,079.20 is: 51,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,962.40 : 88,443.60 = 34,079.20 : x
  2. Step 2: Convert to fraction form
    58,962.40/88,443.60 = 34,079.20/x
  3. Step 3: Cross multiply
    58,962.40x = 88,443.60 × 34,079.20
  4. Step 4: Simplify right side
    58,962.40x = 3,014,087,133.12
  5. Step 5: Solve for x
    x = 3,014,087,133.12/58,962.40
  6. Step 6: Final answer
    x = 51,118.80

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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.