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Finding the Fourth Proportional to 25,322.99, 34,923.03 and 21,088.08

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Solution

The fourth proportional to 25,322.99, 34,923.03 and 21,088.08 is: 29,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.99 : 34,923.03 = 21,088.08 : x
  2. Step 2: Convert to fraction form
    25,322.99/34,923.03 = 21,088.08/x
  3. Step 3: Cross multiply
    25,322.99x = 34,923.03 × 21,088.08
  4. Step 4: Simplify right side
    25,322.99x = 736,459,541.35
  5. Step 5: Solve for x
    x = 736,459,541.35/25,322.99
  6. Step 6: Final answer
    x = 29,082.64

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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.