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Finding the Fourth Proportional to 46,842.48, 64,599.48 and 30,703.92

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Solution

The fourth proportional to 46,842.48, 64,599.48 and 30,703.92 is: 42,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,842.48 : 64,599.48 = 30,703.92 : x
  2. Step 2: Convert to fraction form
    46,842.48/64,599.48 = 30,703.92/x
  3. Step 3: Cross multiply
    46,842.48x = 64,599.48 × 30,703.92
  4. Step 4: Simplify right side
    46,842.48x = 1,983,457,265.96
  5. Step 5: Solve for x
    x = 1,983,457,265.96/46,842.48
  6. Step 6: Final answer
    x = 42,343.13

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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.