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Finding the Fourth Proportional to 6,088.40, 9,113.40 and 4,782.80

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Solution

The fourth proportional to 6,088.40, 9,113.40 and 4,782.80 is: 7,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,088.40 : 9,113.40 = 4,782.80 : x
  2. Step 2: Convert to fraction form
    6,088.40/9,113.40 = 4,782.80/x
  3. Step 3: Cross multiply
    6,088.40x = 9,113.40 × 4,782.80
  4. Step 4: Simplify right side
    6,088.40x = 43,587,569.52
  5. Step 5: Solve for x
    x = 43,587,569.52/6,088.40
  6. Step 6: Final answer
    x = 7,159.12

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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.