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Finding the Fourth Proportional to 58,014.32, 86,962.80 and 22,978.40

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Solution

The fourth proportional to 58,014.32, 86,962.80 and 22,978.40 is: 34,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,014.32 : 86,962.80 = 22,978.40 : x
  2. Step 2: Convert to fraction form
    58,014.32/86,962.80 = 22,978.40/x
  3. Step 3: Cross multiply
    58,014.32x = 86,962.80 × 22,978.40
  4. Step 4: Simplify right side
    58,014.32x = 1,998,266,003.52
  5. Step 5: Solve for x
    x = 1,998,266,003.52/58,014.32
  6. Step 6: Final answer
    x = 34,444.36

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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.