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Finding the Fourth Proportional to 76,347.36, 105,359.04 and 46,539.36

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Solution

The fourth proportional to 76,347.36, 105,359.04 and 46,539.36 is: 64,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347.36 : 105,359.04 = 46,539.36 : x
  2. Step 2: Convert to fraction form
    76,347.36/105,359.04 = 46,539.36/x
  3. Step 3: Cross multiply
    76,347.36x = 105,359.04 × 46,539.36
  4. Step 4: Simplify right side
    76,347.36x = 4,903,342,291.81
  5. Step 5: Solve for x
    x = 4,903,342,291.81/76,347.36
  6. Step 6: Final answer
    x = 64,224.12

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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.