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Finding the Fourth Proportional to 5,303.65, 7,303.48 and 4,860.13

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Solution

The fourth proportional to 5,303.65, 7,303.48 and 4,860.13 is: 6,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.65 : 7,303.48 = 4,860.13 : x
  2. Step 2: Convert to fraction form
    5,303.65/7,303.48 = 4,860.13/x
  3. Step 3: Cross multiply
    5,303.65x = 7,303.48 × 4,860.13
  4. Step 4: Simplify right side
    5,303.65x = 35,495,862.25
  5. Step 5: Solve for x
    x = 35,495,862.25/5,303.65
  6. Step 6: Final answer
    x = 6,692.72

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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.