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Finding the Fourth Proportional to 9,762.60, 14,643.90 and 4,497.60

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Solution

The fourth proportional to 9,762.60, 14,643.90 and 4,497.60 is: 6,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.60 : 14,643.90 = 4,497.60 : x
  2. Step 2: Convert to fraction form
    9,762.60/14,643.90 = 4,497.60/x
  3. Step 3: Cross multiply
    9,762.60x = 14,643.90 × 4,497.60
  4. Step 4: Simplify right side
    9,762.60x = 65,862,404.64
  5. Step 5: Solve for x
    x = 65,862,404.64/9,762.60
  6. Step 6: Final answer
    x = 6,746.40

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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.