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Finding the Fourth Proportional to 25,746,689.60, 36,146,142.40 and 25,746,689.60

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Solution

The fourth proportional to 25,746,689.60, 36,146,142.40 and 25,746,689.60 is: 36,146,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746,689.60 : 36,146,142.40 = 25,746,689.60 : x
  2. Step 2: Convert to fraction form
    25,746,689.60/36,146,142.40 = 25,746,689.60/x
  3. Step 3: Cross multiply
    25,746,689.60x = 36,146,142.40 × 25,746,689.60
  4. Step 4: Simplify right side
    25,746,689.60x = 930,643,508,610,199
  5. Step 5: Solve for x
    x = 930,643,508,610,199/25,746,689.60
  6. Step 6: Final answer
    x = 36,146,142.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.