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Finding the Fourth Proportional to 7,210.68, 9,953.34 and 4,559.88

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Solution

The fourth proportional to 7,210.68, 9,953.34 and 4,559.88 is: 6,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.68 : 9,953.34 = 4,559.88 : x
  2. Step 2: Convert to fraction form
    7,210.68/9,953.34 = 4,559.88/x
  3. Step 3: Cross multiply
    7,210.68x = 9,953.34 × 4,559.88
  4. Step 4: Simplify right side
    7,210.68x = 45,386,036.00
  5. Step 5: Solve for x
    x = 45,386,036.00/7,210.68
  6. Step 6: Final answer
    x = 6,294.28

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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.