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Finding the Fourth Proportional to 9,879.59, 14,810.80 and 4,032.47

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Solution

The fourth proportional to 9,879.59, 14,810.80 and 4,032.47 is: 6,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.59 : 14,810.80 = 4,032.47 : x
  2. Step 2: Convert to fraction form
    9,879.59/14,810.80 = 4,032.47/x
  3. Step 3: Cross multiply
    9,879.59x = 14,810.80 × 4,032.47
  4. Step 4: Simplify right side
    9,879.59x = 59,724,106.68
  5. Step 5: Solve for x
    x = 59,724,106.68/9,879.59
  6. Step 6: Final answer
    x = 6,045.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.