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Finding the Fourth Proportional to 35,411.76, 53,120.88 and 9,116.58

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Solution

The fourth proportional to 35,411.76, 53,120.88 and 9,116.58 is: 13,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.76 : 53,120.88 = 9,116.58 : x
  2. Step 2: Convert to fraction form
    35,411.76/53,120.88 = 9,116.58/x
  3. Step 3: Cross multiply
    35,411.76x = 53,120.88 × 9,116.58
  4. Step 4: Simplify right side
    35,411.76x = 484,280,752.19
  5. Step 5: Solve for x
    x = 484,280,752.19/35,411.76
  6. Step 6: Final answer
    x = 13,675.70

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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.