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Finding the Fourth Proportional to 15,661,665.60, 23,492,498.40 and 15,661,665.60

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Solution

The fourth proportional to 15,661,665.60, 23,492,498.40 and 15,661,665.60 is: 23,492,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,665.60 : 23,492,498.40 = 15,661,665.60 : x
  2. Step 2: Convert to fraction form
    15,661,665.60/23,492,498.40 = 15,661,665.60/x
  3. Step 3: Cross multiply
    15,661,665.60x = 23,492,498.40 × 15,661,665.60
  4. Step 4: Simplify right side
    15,661,665.60x = 367,931,654,049,335
  5. Step 5: Solve for x
    x = 367,931,654,049,335/15,661,665.60
  6. Step 6: Final answer
    x = 23,492,498.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.