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Finding the Fourth Proportional to 64,586.04, 96,505.05 and 49,510.68

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Solution

The fourth proportional to 64,586.04, 96,505.05 and 49,510.68 is: 73,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.04 : 96,505.05 = 49,510.68 : x
  2. Step 2: Convert to fraction form
    64,586.04/96,505.05 = 49,510.68/x
  3. Step 3: Cross multiply
    64,586.04x = 96,505.05 × 49,510.68
  4. Step 4: Simplify right side
    64,586.04x = 4,778,030,648.93
  5. Step 5: Solve for x
    x = 4,778,030,648.93/64,586.04
  6. Step 6: Final answer
    x = 73,979.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.