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Finding the Fourth Proportional to 60,858.65, 83,970.54 and 35,349.85

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Solution

The fourth proportional to 60,858.65, 83,970.54 and 35,349.85 is: 48,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,858.65 : 83,970.54 = 35,349.85 : x
  2. Step 2: Convert to fraction form
    60,858.65/83,970.54 = 35,349.85/x
  3. Step 3: Cross multiply
    60,858.65x = 83,970.54 × 35,349.85
  4. Step 4: Simplify right side
    60,858.65x = 2,968,346,100.47
  5. Step 5: Solve for x
    x = 2,968,346,100.47/60,858.65
  6. Step 6: Final answer
    x = 48,774.44

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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.