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Finding the Fourth Proportional to 61,802.01, 85,281.53 and 34,940.79

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Solution

The fourth proportional to 61,802.01, 85,281.53 and 34,940.79 is: 48,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802.01 : 85,281.53 = 34,940.79 : x
  2. Step 2: Convert to fraction form
    61,802.01/85,281.53 = 34,940.79/x
  3. Step 3: Cross multiply
    61,802.01x = 85,281.53 × 34,940.79
  4. Step 4: Simplify right side
    61,802.01x = 2,979,803,855.90
  5. Step 5: Solve for x
    x = 2,979,803,855.90/61,802.01
  6. Step 6: Final answer
    x = 48,215.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.