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Finding the Fourth Proportional to 61,957.65, 85,501.77 and 35,105.13

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Solution

The fourth proportional to 61,957.65, 85,501.77 and 35,105.13 is: 48,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.65 : 85,501.77 = 35,105.13 : x
  2. Step 2: Convert to fraction form
    61,957.65/85,501.77 = 35,105.13/x
  3. Step 3: Cross multiply
    61,957.65x = 85,501.77 × 35,105.13
  4. Step 4: Simplify right side
    61,957.65x = 3,001,550,751.08
  5. Step 5: Solve for x
    x = 3,001,550,751.08/61,957.65
  6. Step 6: Final answer
    x = 48,445.20

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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.