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Finding the Fourth Proportional to 7,503.55, 10,354 and 4,146.16

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Solution

The fourth proportional to 7,503.55, 10,354 and 4,146.16 is: 5,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.55 : 10,354 = 4,146.16 : x
  2. Step 2: Convert to fraction form
    7,503.55/10,354 = 4,146.16/x
  3. Step 3: Cross multiply
    7,503.55x = 10,354 × 4,146.16
  4. Step 4: Simplify right side
    7,503.55x = 42,929,340.64
  5. Step 5: Solve for x
    x = 42,929,340.64/7,503.55
  6. Step 6: Final answer
    x = 5,721.20

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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.