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Finding the Fourth Proportional to 30,530.04, 46,030.50 and 30,340.50

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Solution

The fourth proportional to 30,530.04, 46,030.50 and 30,340.50 is: 45,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.04 : 46,030.50 = 30,340.50 : x
  2. Step 2: Convert to fraction form
    30,530.04/46,030.50 = 30,340.50/x
  3. Step 3: Cross multiply
    30,530.04x = 46,030.50 × 30,340.50
  4. Step 4: Simplify right side
    30,530.04x = 1,396,588,385.25
  5. Step 5: Solve for x
    x = 1,396,588,385.25/30,530.04
  6. Step 6: Final answer
    x = 45,744.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.