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Finding the Fourth Proportional to 61,990.50, 93,323.10 and 56,479.26

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Solution

The fourth proportional to 61,990.50, 93,323.10 and 56,479.26 is: 85,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990.50 : 93,323.10 = 56,479.26 : x
  2. Step 2: Convert to fraction form
    61,990.50/93,323.10 = 56,479.26/x
  3. Step 3: Cross multiply
    61,990.50x = 93,323.10 × 56,479.26
  4. Step 4: Simplify right side
    61,990.50x = 5,270,819,628.91
  5. Step 5: Solve for x
    x = 5,270,819,628.91/61,990.50
  6. Step 6: Final answer
    x = 85,026.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.