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Finding the Fourth Proportional to 30,703.60, 46,055.40 and 11,004.40

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Solution

The fourth proportional to 30,703.60, 46,055.40 and 11,004.40 is: 16,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.60 : 46,055.40 = 11,004.40 : x
  2. Step 2: Convert to fraction form
    30,703.60/46,055.40 = 11,004.40/x
  3. Step 3: Cross multiply
    30,703.60x = 46,055.40 × 11,004.40
  4. Step 4: Simplify right side
    30,703.60x = 506,812,043.76
  5. Step 5: Solve for x
    x = 506,812,043.76/30,703.60
  6. Step 6: Final answer
    x = 16,506.60

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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.