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Finding the Fourth Proportional to 7,551.04, 10,410.88 and 5,400.16

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Solution

The fourth proportional to 7,551.04, 10,410.88 and 5,400.16 is: 7,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.04 : 10,410.88 = 5,400.16 : x
  2. Step 2: Convert to fraction form
    7,551.04/10,410.88 = 5,400.16/x
  3. Step 3: Cross multiply
    7,551.04x = 10,410.88 × 5,400.16
  4. Step 4: Simplify right side
    7,551.04x = 56,220,417.74
  5. Step 5: Solve for x
    x = 56,220,417.74/7,551.04
  6. Step 6: Final answer
    x = 7,445.39

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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.