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Finding the Fourth Proportional to 15,598.67, 21,527.64 and 8,526.15

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Solution

The fourth proportional to 15,598.67, 21,527.64 and 8,526.15 is: 11,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.67 : 21,527.64 = 8,526.15 : x
  2. Step 2: Convert to fraction form
    15,598.67/21,527.64 = 8,526.15/x
  3. Step 3: Cross multiply
    15,598.67x = 21,527.64 × 8,526.15
  4. Step 4: Simplify right side
    15,598.67x = 183,547,887.79
  5. Step 5: Solve for x
    x = 183,547,887.79/15,598.67
  6. Step 6: Final answer
    x = 11,766.90

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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.