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Finding the Fourth Proportional to 56,498.40, 84,747.60 and 46,000.80

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Solution

The fourth proportional to 56,498.40, 84,747.60 and 46,000.80 is: 69,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,498.40 : 84,747.60 = 46,000.80 : x
  2. Step 2: Convert to fraction form
    56,498.40/84,747.60 = 46,000.80/x
  3. Step 3: Cross multiply
    56,498.40x = 84,747.60 × 46,000.80
  4. Step 4: Simplify right side
    56,498.40x = 3,898,457,398.08
  5. Step 5: Solve for x
    x = 3,898,457,398.08/56,498.40
  6. Step 6: Final answer
    x = 69,001.20

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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.