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Finding the Fourth Proportional to 1,513.61, 2,088.98 and 924.02

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Solution

The fourth proportional to 1,513.61, 2,088.98 and 924.02 is: 1,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.61 : 2,088.98 = 924.02 : x
  2. Step 2: Convert to fraction form
    1,513.61/2,088.98 = 924.02/x
  3. Step 3: Cross multiply
    1,513.61x = 2,088.98 × 924.02
  4. Step 4: Simplify right side
    1,513.61x = 1,930,254.68
  5. Step 5: Solve for x
    x = 1,930,254.68/1,513.61
  6. Step 6: Final answer
    x = 1,275.27

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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.