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Finding the Fourth Proportional to 30,518.03, 45,774.45 and 9,457.59

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Solution

The fourth proportional to 30,518.03, 45,774.45 and 9,457.59 is: 14,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.03 : 45,774.45 = 9,457.59 : x
  2. Step 2: Convert to fraction form
    30,518.03/45,774.45 = 9,457.59/x
  3. Step 3: Cross multiply
    30,518.03x = 45,774.45 × 9,457.59
  4. Step 4: Simplify right side
    30,518.03x = 432,916,152.23
  5. Step 5: Solve for x
    x = 432,916,152.23/30,518.03
  6. Step 6: Final answer
    x = 14,185.59

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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.