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Finding the Fourth Proportional to 9,358.04, 12,927.40 and 7,482.08

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Solution

The fourth proportional to 9,358.04, 12,927.40 and 7,482.08 is: 10,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.04 : 12,927.40 = 7,482.08 : x
  2. Step 2: Convert to fraction form
    9,358.04/12,927.40 = 7,482.08/x
  3. Step 3: Cross multiply
    9,358.04x = 12,927.40 × 7,482.08
  4. Step 4: Simplify right side
    9,358.04x = 96,723,840.99
  5. Step 5: Solve for x
    x = 96,723,840.99/9,358.04
  6. Step 6: Final answer
    x = 10,335.91

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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.